Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/ChangeLog b/ChangeLog
index 2240ec0..d787965 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,4391 @@
+2014-09-25: Version 3.29.88
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-24: Version 3.29.87
+
+ Preserve message when rethrowing exception (issue 3583).
+
+ Fix escaped index JSON parsing (Chromium issue 416449).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.84
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.83
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-23: Version 3.29.82
+
+ Fix escaped index JSON parsing (Chromium issue 416449).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-17: Version 3.29.70
+
+ Enable ES6 generators (issue 2355).
+
+ Fixed int vs. uintptr_t confusion (plus some cleanup on the way) (issue
+ 3556).
+
+ Move configuration of ResourceConstraints to Isolate construction.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-16: Version 3.29.66
+
+ Currently, a new isolate is created in an uninitialized state, and
+ several API methods will automatically initialize it. During this
+ uninitialized state, code event handlers and function entry handlers can
+ be attached to the isolate.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-15: Version 3.29.64
+
+ ES6: String(symbol) should work like symbol.toString (issue 3554).
+
+ Arrow functions: Cleanup handling of the prototype property (issue
+ 2700).
+
+ Remove V8_HOST_CAN_READ_UNALIGNED and its uses (Chromium issue 412967).
+
+ Fix Smi vs. HeapObject confusion in HConstants (Chromium issue 412215).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-12: Version 3.29.59
+
+ Do not use wide reads in CopyCharsUnsigned (Chromium issue 412967).
+
+ Fix inaccurate type condition in Hydrogen (Chromium issue 412210).
+
+ Fix crash in ScriptDebugServer::wrapCallFrames (Chromium issue 411196).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-11: Version 3.29.57
+
+ ES6: Add support for method shorthand in object literals (issue 3516).
+
+ Unbreak FreeBSD build (hopefully) (issue 3548).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-09: Version 3.29.53
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-08: Version 3.29.50
+
+ Allocate a new empty number dictionary when resetting elements (Chromium
+ issue 410332).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-05: Version 3.29.43
+
+ Enforce correct number comparisons when inlining Array.indexOf (Chromium
+ issue 407946).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-04: Version 3.29.41
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-03: Version 3.29.40
+
+ Use correct receiver for DOM accessors on the prototype chain (issue
+ 3538).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-02: Version 3.29.38
+
+ Do not clear weak monomorphic IC after context disposal (Chromium issue
+ 404020).
+
+ Turn on job-based sweeping (issue 3104).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-09-01: Version 3.29.35
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-29: Version 3.29.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.27
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.24
+
+ Tweaks to generate XP-compatible .exes (Chromium issue 407517).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-28: Version 3.29.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-27: Version 3.29.20
+
+ Handle empty allocation list in CodeRange properly (issue 3540, Chromium
+ issue 407566).
+
+ Fixed inlining of constant values (issue 3529).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-25: Version 3.29.17
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-24: Version 3.29.16
+
+ Fix issue with numeric property names (issue 3507).
+
+ Add back the duplicate property checker (issue 3498).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-22: Version 3.29.14
+
+ Don't inline Array.shift() if receiver map is not extensible (Chromium
+ issue 405517).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.11
+
+ Refactor ParseObjectLiteral.
+
+ Support symbol-named properties in API (issue 3394).
+
+ Suppress test262 test that tests duplicate properties.
+
+ ES6: Duplicate properties are no longer an error (issue 3498).
+
+ Expose function CheckDebugBreak in the debugger api.
+
+ Remove RegExp.$input (issue 3486).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-21: Version 3.29.10
+
+ ES6: Make sure we do not store -0 as the key in Map/Set (issue 3515).
+
+ Remove removed flags from tests.
+
+ Expose well-known Symbols to C++ API (Chromium issue 341423).
+
+ Implement ES6 Array.of() (issue 3427).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-20: Version 3.29.9
+
+ Correctly handle holes when concat()ing double arrays (Chromium issue
+ 403409).
+
+ [turbofan] Refactor the InstructionSelector tests (issue 3489).
+
+ ES6: Make Map/Set constructors support iterable values (issue 3508).
+
+ WeakMap/WeakSet: Add test for non object keys (issue 3399).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-12: Version 3.28.71
+
+ ToNumber(Symbol) should throw TypeError (issue 3499).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-11: Version 3.28.69
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-09: Version 3.28.65
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-08: Version 3.28.64
+
+ ES6: Implement WeakMap and WeakSet constructor logic (issue 3399).
+
+ Enable ES6 unscopables (issue 3401).
+
+ Turn on harmony_unscopables for es_staging (issue 3401).
+
+ Remove proxies from --harmony switch for M38, because problems.
+
+ Reland "Add initial support for compiler unit tests using GTest/GMock."
+ (issue 3489).
+
+ Enable ES6 iteration by default (issue 2214).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-07: Version 3.28.62
+
+ Only escape U+0022 in argument values of `String.prototype` HTML methods
+ (issue 2217).
+
+ Update webkit test for expected own properties.
+
+ This implements unscopables (issue 3401).
+
+ Add `CheckObjectCoercible` for the `String.prototype` HTML methods
+ (issue 2218).
+
+ Add initial support for compiler unit tests using GTest/GMock (issue
+ 3489).
+
+ Trigger exception debug events on Promise reject (Chromium issue
+ 393913).
+
+ Refactor unit tests for the base library to use GTest (issue 3489).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.60
+
+ Enable ES6 Map and Set by default (issue 1622).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-06: Version 3.28.59
+
+ Removed GetConstructor from the API. Instead either get the
+ "constructor" property stored in the prototype, or keep a side-table.
+
+ Enable ES6 Symbols by default (issue 2158).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-05: Version 3.28.57
+
+ Add dependencies on gtest and gmock.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-04: Version 3.28.54
+
+ Performance and stability improvements on all platforms.
+
+
+2014-08-01: Version 3.28.53
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.52
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.51
+
+ Drop deprecated memory related notification API (Chromium issue 397026).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-31: Version 3.28.50
+
+ Use emergency memory in the case of out of memory during evacuation
+ (Chromium issue 395314).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-30: Version 3.28.48
+
+ Fix Object.freeze with field type tracking. Keep the descriptor properly
+ intact while update the field type (issue 3458).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-29: Version 3.28.45
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-28: Version 3.28.43
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-25: Version 3.28.38
+
+ Fix issue with setters and their holders in accessors.cc (Chromium issue
+ 3462).
+
+ Introduce more debug events for promises (issue 3093).
+
+ Move gc notifications from V8 to Isolate and make idle hint mandatory
+ (Chromium issue 397026).
+
+ The accessors should get the value from the holder and not from this
+ (issue 3461).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-24: Version 3.28.35
+
+ Rebaseline/update the intl tests with ICU 52 (issue 3454).
+
+ Expose the content of Sets and WeakSets through SetMirror (issue 3093).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-23: Version 3.28.32
+
+ Update ICU to 5.2 (matching chromium) (issue 3452).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-22: Version 3.28.31
+
+ Remove harmony-typeof.
+
+ Implement String.prototype.codePointAt and String.fromCodePoint (issue
+ 2840).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.30
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-21: Version 3.28.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-18: Version 3.28.28
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-17: Version 3.28.26
+
+ Ship ES6 Math functions (issue 2938).
+
+ Make ToPrimitive throw on symbol wrappers (issue 3442).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-16: Version 3.28.24
+
+ Removed some copy-n-paste from StackFrame::Foo API entries (issue 3436).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-15: Version 3.28.23
+
+ Fix error message about read-only symbol properties (issue 3441).
+
+ Include symbol properties in Object.{create,defineProperties} (issue
+ 3440).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-14: Version 3.28.22
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-11: Version 3.28.21
+
+ Make `let` usable as an identifier in ES6 sloppy mode (issue 2198).
+
+ Support ES6 Map and Set in heap profiler (issue 3368).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-10: Version 3.28.20
+
+ Remove deprecate counter/histogram methods.
+
+ Fixed printing of external references (Chromium issue 392068).
+
+ Fix several issues with ES6 redeclaration checks (issue 3426).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.19
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-09: Version 3.28.18
+
+ Reland "Postpone termination exceptions in debug scope." (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.17
+
+ MIPS: Fix computed properties on object literals with a double as
+ propertyname (Chromium issue 390732).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-08: Version 3.28.16
+
+ Fix computed properties on object literals with a double as propertyname
+ (Chromium issue 390732).
+
+ Avoid brittle use of .bind in Promise.all (issue 3420).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.15
+
+ Remove a bunch of Isolate::UncheckedCurrent calls.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-07: Version 3.28.14
+
+ Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+ 390732).
+
+ Introduce debug events for Microtask queue (Chromium issue 272416).
+
+ Split out libplatform into a separate libary.
+
+ Add clang-format to presubmit checks.
+
+ Stack traces exposed to Javascript should omit extensions (issue 311).
+
+ Remove deprecated v8::Context::HasOutOfMemoryException.
+
+ Postpone termination exceptions in debug scope (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-04: Version 3.28.13
+
+ Rollback to r22134.
+
+
+2014-07-04: Version 3.28.12
+
+ Use the HeapObjectIterator to scan-on-scavenge map pages (Chromium issue
+ 390732).
+
+ Introduce debug events for Microtask queue (Chromium issue 272416).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.11
+
+ Split out libplatform into a separate libary.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-03: Version 3.28.10
+
+ Add clang-format to presubmit checks.
+
+ Stack traces exposed to Javascript should omit extensions (issue 311).
+
+ Remove deprecated v8::Context::HasOutOfMemoryException.
+
+ Postpone termination exceptions in debug scope (issue 3408).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-02: Version 3.28.9
+
+ Make freeze & friends ignore private properties (issue 3419).
+
+ Introduce a builddeps make target (issue 3418).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-07-01: Version 3.28.8
+
+ Remove static initializer from isolate.
+
+ ES6: Add missing Set.prototype.keys function (issue 3411).
+
+ Introduce debug events for promises (issue 3093).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-30: Version 3.28.6
+
+ Unbreak "os" stuff in shared d8 builds (issue 3407).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.4
+
+ Compile optimized code with active debugger but no break points
+ (Chromium issue 386492).
+
+ Optimize Map/Set.prototype.forEach.
+
+ Collect garbage with kReduceMemoryFootprintMask in IdleNotification
+ (Chromium issue 350720).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-26: Version 3.28.3
+
+ Grow heap slower if GC freed many global handles (Chromium issue
+ 263503).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-25: Version 3.28.2
+
+ Remove bogus assertions in HCompareObjectEqAndBranch (Chromium issue
+ 387636).
+
+ Do not eagerly update allow_osr_at_loop_nesting_level (Chromium issue
+ 387599).
+
+ Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+ kernel (Chromium issue 368384).
+
+ Map/Set: Implement constructor parameter handling (issue 3398).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-24: Version 3.28.1
+
+ Support LiveEdit on Arm64 (Chromium issue 368580).
+
+ Run JS micro tasks in the appropriate context (Chromium issue 385349).
+
+ Add a use counter API.
+
+ Set host_arch to ia32 on machines with a 32bit userland but a 64bit
+ kernel.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-23: Version 3.28.0
+
+ MIPS: Support LiveEdit (Chromium issue 368580).
+
+ Array.concat: properly go to dictionary mode when required (Chromium
+ issue 387031).
+
+ Support LiveEdit on ARM (Chromium issue 368580).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-18: Version 3.27.34
+
+ Reduce number of writes to DependentCode array when inserting dependent
+ IC (Chromium issue 305878).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.33
+
+ Do GC if CodeRange fails to allocate a block (Chromium issue 305878).
+
+ Throw syntax error when a getter/setter has the wrong number of params
+ (issue 3371).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-17: Version 3.27.32
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.31
+
+ Version fix.
+
+
+2014-06-16: Version 3.27.30
+
+ Fix representation of Phis for mutable-heapnumber-in-object-literal
+ properties (issue 3392).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-16: Version 3.27.29
+
+ Emulate MLS on pre-ARMv6T2. Cleaned up thumbee vs. thumb2 confusion.
+
+ X87: Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+ Fixed undefined behavior in RNG (Chromium issue 377790).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-13: Version 3.27.28
+
+ Add v8::Promise::Then (Chromium issue 371288).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.27
+
+ Fix detection of VFP3D16 on Galaxy Tab 10.1 (issue 3387).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-12: Version 3.27.26
+
+ MIPS: Fixed flooring division by a power of 2, once again.. (issue
+ 3259).
+
+ Fixed flooring division by a power of 2, once again.. (issue 3259).
+
+ Fix unsigned comparisons (issue 3380).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-11: Version 3.27.24
+
+ Fix invalid attributes when generalizing because of incompatible map
+ change (Chromium issue 382143).
+
+ Fix missing smi check in inlined indexOf/lastIndexOf (Chromium issue
+ 382513).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.22
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-06: Version 3.27.21
+
+ Turn on harmony_collections for es_staging (issue 1622).
+
+ Do not make heap iterable eagerly (Chromium issue 379740).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-05: Version 3.27.20
+
+ Fix invalid loop condition for Array.lastIndexOf() (Chromium issue
+ 380512).
+
+ Add API support for passing a C++ function as a microtask callback.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-04: Version 3.27.19
+
+ Split Put into Put and Remove.
+
+ ES6: Add support for values/keys/entries for Map and Set (issue 1793).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-03: Version 3.27.18
+
+ Remove PROHIBITS_OVERWRITING as it is subsumed by non-configurable
+ properties.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-06-02: Version 3.27.17
+
+ BuildNumberToString: Check for undefined keys in the cache (Chromium
+ issue 368114).
+
+ HRor and HSar can deoptimize (issue 3359).
+
+ Simplify, speed-up correct-context ObjectObserve calls.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-29: Version 3.27.16
+
+ Allow microtasks to throw exceptions and handle them gracefully
+ (Chromium issue 371566).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-28: Version 3.27.15
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-27: Version 3.27.14
+
+ Reland "Customized support for feedback on calls to Array." and follow-
+ up fixes (Chromium issues 377198, 377290).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.13
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-26: Version 3.27.12
+
+ Check for cached transition to ExternalArray elements kind (issue 3337).
+
+ Support ES6 weak collections in heap profiler (Chromium issue 376196).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-23: Version 3.27.11
+
+ Add support for ES6 Symbol in heap profiler (Chromium issue 376194).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-22: Version 3.27.10
+
+ Implement Mirror object for Symbols (issue 3290).
+
+ Allow debugger to step into Map and Set forEach callbacks (issue 3341).
+
+ Fix ArrayShift hydrogen support (Chromium issue 374838).
+
+ Use SameValueZero for Map and Set (issue 1622).
+
+ Array Iterator next should check for own property.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-21: Version 3.27.9
+
+ Disable ArrayShift hydrogen support (Chromium issue 374838).
+
+ ES6 Map/Set iterators/forEach improvements (issue 1793).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-20: Version 3.27.8
+
+ Move microtask queueing logic from JavaScript to C++.
+
+ Partial revert of "Next bunch of fixes for check elimination" (Chromium
+ issue 372173).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-19: Version 3.27.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-19: Version 3.27.6
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-16: Version 3.27.5
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-15: Version 3.27.4
+
+ Drop thenable coercion cache (Chromium issue 372788).
+
+ Skip write barriers when updating the weak hash table (Chromium issue
+ 359401).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-14: Version 3.27.3
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-13: Version 3.27.2
+
+ Harden %SetIsObserved with RUNTIME_ASSERTs (Chromium issue 371782).
+
+ Drop unused static microtask API.
+
+ Introduce an api to query the microtask autorun state of an isolate.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-12: Version 3.27.1
+
+ Object.observe: avoid accessing acceptList properties more than once
+ (issue 3315).
+
+ Array Iterator prototype should not have a constructor (issue 3293).
+
+ Fix typos in unit test for Array.prototype.fill().
+
+ Shorten autogenerated error message for functions only (issue 3019,
+ Chromium issue 331971).
+
+ Reland "Removed default Isolate." (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-09: Version 3.27.0
+
+ Unbreak samples and tools.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-08: Version 3.26.33
+
+ Removed default Isolate (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-07: Version 3.26.32
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-06: Version 3.26.31
+
+ Add a basic gn file for V8.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-05: Version 3.26.30
+
+ Introduce a microtask suppression scope and move microtask methods to
+ isolate (Chromium issue 369503).
+
+ Re-enable Object.observe and add enforcement for security invariants.
+
+ Move cache line size calculation directly into CPU::FlushICache
+ (Chromium issue 359977).
+
+ Generation of our home-grown memmove doesn't depend on serializer state
+ anymore (Chromium issue 359977).
+
+ Fix |RunMicrotasks()| leaking reference to the last context being run
+ on.
+
+ Object.defineProperty shouldn't be a hint that we're constructing a
+ dictionary (Chromium issue 362870).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-05-01: Version 3.26.29
+
+ Added a Isolate* parameter to Serializer::enabled() (Chromium issue
+ 359977).
+
+ ES6: Add support for Array.prototype.fill() (issue 3273).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-29: Version 3.26.28
+
+ PromiseThen should ignore non-function parameters (Chromium issue
+ 347455).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-29: Version 3.26.27
+
+ Error stack getter should not overwrite itself with a data property
+ (issue 3294).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-28: Version 3.26.26
+
+ Expose promise value through promise mirror (issue 3093).
+
+ Simplified CPU/CpuFeatures a bit (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-28: Version 3.26.25
+
+ Add timestamps to CPU profile samples (Chromium issue 363976).
+
+ Expose promise status through promise mirror (issue 3093).
+
+ Remove static CallCompletedCallback handlers.
+
+ Added an Isolate* field to NoTrackDoubleFieldsForSerializerScope,
+ PlatformFeatureScope and BinaryOpIC::State (Chromium issue 359977).
+
+ Trigger debug event on not yet caught exception in promises (issue
+ 3093).
+
+ Unbreak vtunejit=on (issue 3288).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-25: Version 3.26.24
+
+ MIPS: CodeStubs contain their corresponding Isolate* now. (part 2)
+ (Chromium issue 359977).
+
+ MIPS: CodeStubs contain their corresponding Isolate* now. (part 1)
+ (Chromium issue 359977).
+
+ CodeStubs contain their corresponding Isolate* now. (part 2) (Chromium
+ issue 359977).
+
+ Make DescriptorArray::IsMoreGeneralThan() and DescriptorArray::Merge()
+ compatible again (Chromium issue 365172).
+
+ CodeStubs contain their corresponding Isolate* now. (part 1) (Chromium
+ issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-24: Version 3.26.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-23: Version 3.26.22
+
+ Disable field type tracking by default (Chromium issue 365172).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-23: Version 3.26.21
+
+ Context-allocate all parameters in generators (issue 3280).
+
+ Simplify v8/Isolate teardown (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-21: Version 3.26.20
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-18: Version 3.26.19
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-17: Version 3.26.18
+
+ Removed Isolate::EnterDefaultIsolate (Chromium issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-16: Version 3.26.17
+
+ Clear invalid field maps in PropertyAccessInfo (Chromium issue 363956).
+
+ ES6: Add support for Map/Set forEach (Chromium issues 1793, 2323).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-16: Version 3.26.16
+
+ Removed EnterIsolateIfNeeded and a soon-to-be-useless assertion
+ (Chromium issue 359977).
+
+ Removed GetDefaultIsolate{Debugger,ForLocking,StackGuard} (Chromium
+ issue 359977).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-15: Version 3.26.15
+
+ Fix result of LCodeGen::DoWrapReceiver for strict functions and builtins
+ (Chromium issue 362128).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-15: Version 3.26.14
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-14: Version 3.26.13
+
+ Make maps in monomorphic IC stubs weak (issue 2073).
+
+ x64: Make sure that the upper half of a 64bit register contains 0 for
+ int32 values (Chromium issue 360611).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-11: Version 3.26.12
+
+ Do not use ranges after range analysis (Chromium issue 361608).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-10: Version 3.26.11
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-10: Version 3.26.10
+
+ Allow the embedder to pass the virtual memory limit to v8.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-09: Version 3.26.9
+
+ Fix invalid local property lookup for transitions (Chromium issue
+ 361025).
+
+ MIPS: Fixed flooring division by -1 (issue 3259).
+
+ Fixed flooring division by -1 on ARM (issue 3259).
+
+ Make `String.prototype.contains` throw when passing a regular expression
+ (issue 3261).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-08: Version 3.26.8
+
+ Yet another regression test for range analysis (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-07: Version 3.26.7
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-04: Version 3.26.6
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-03: Version 3.26.5
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-03: Version 3.26.4
+
+ Make stray 'return' an early error.
+
+ Show references from weak containers as weak in heap snapshots (Chromium
+ issue 356590).
+
+ Make invalid LHSs that are calls late errors (Chromium issue 358346).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-02: Version 3.26.3
+
+ Support typed arrays in IsMoreGeneralElementsKindTransition (Chromium
+ issue 357054).
+
+ Remove debugger_auto_break flag.
+
+ Store i18n meta data in hidden symbols instead of js accessible
+ properties (Chromium issue 354967).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-01: Version 3.26.2
+
+ Performance and stability improvements on all platforms.
+
+
+2014-04-01: Version 3.26.1
+
+ Fix Type::Intersect to skip uninhabited bitsets (Chromium issue 357330).
+
+ Fix PrepareKeyedOperand on arm (Chromium issue 358057).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-31: Version 3.26.0
+
+ Deprecate Start/StopCpuProfiling methods (issue 3213).
+
+ Don't crash if we get a timezone change notification on an uninitialized
+ isolate (Chromium issue 357362).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-28: Version 3.25.30
+
+ NativeContext::map_cache reference should be strong in heap snapshots
+ (Chromium issue 357060).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-27: Version 3.25.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-27: Version 3.25.28
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-26: Version 3.25.27
+
+ Promise constructor should not be enumerable (Chromium issue 352597).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-26: Version 3.25.26
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-25: Version 3.25.25
+
+ Roll ICU 239289:258359 and add support for external ICU data tables
+ (issue 3142, Chromium issue 72633).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-25: Version 3.25.24
+
+ Add support for per-isolate private symbols.
+
+ No longer OOM on invalid string length (issue 3060).
+
+ Remove Failure::OutOfMemory propagation and
+ V8::IgnoreOutOfMemoryException (issue 3060).
+
+ Tentative Windows dll build fix: Don't V8_EXPORT ScriptCompiler::Source
+ (issue 3228).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-24: Version 3.25.23
+
+ Rename A64 port to ARM64 port (Chromium issue 354405).
+
+ Fix missing access check in Runtime_SetPrototype (Chromium issue
+ 354123).
+
+ Fix polymorphic hydrogen handling of SLOPPY_ARGUMENTS_ELEMENTS (Chromium
+ issue 354391).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.22
+
+ Increase the "local variables in a function" limit (issue 3205).
+
+ Implement ES6 symbol registry and predefined symbols.
+
+ Throw exception on invalid string length instead of OOM (Chromium issue
+ 349329).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.21
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-20: Version 3.25.20
+
+ Fix polymorphic keyed loads for SLOPPY_ARGUMENTS_ELEMENTS (Chromium
+ issue 350867).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.19
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.18
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-19: Version 3.25.17
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-18: Version 3.25.16
+
+ Apply numeric casts correctly in typed arrays and related code (Chromium
+ issue 353004).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-18: Version 3.25.15
+
+ Don't generate keyed store ICs for global proxies (Chromium issue
+ 352983).
+
+ MIPS: Make invalid LHSs a parse-time (reference) error (Chromium issue
+ 351658).
+
+ Make invalid LHSs a parse-time (reference) error (Chromium issue
+ 351658).
+
+ Add Promises/A+ Compliance Test Suite (Chromium issue 347095).
+
+ Split Promise API into Promise/Resolver.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-17: Version 3.25.14
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-17: Version 3.25.13
+
+ Move profiler callback interfaces from v8.h to v8-profiler.h.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.12
+
+ PromiseCoerce should deal with an error during accessing "then"
+ (Chromium issue 347095).
+
+ Propagate updated offsets in BoundsCheckBbData (Chromium issue 350863).
+
+ Add regression test for range analysis bug (issue 3204).
+
+ Continued fix for 351257. Reusing the feedback vector is too complex
+ (Chromium issue 351257).
+
+ StopCpuProfiling should return non-const CpuProfile (issue 3213).
+
+ Allow for compiling with xcode 5.1 (which doesn't have gcc anymore).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.11
+
+ MIPS: Remove uses of CanBeNegative() in HMod (issue 3204).
+
+ MIPS: Remove uses of RangeCanInclude() in flooring division by power of
+ 2 (issue 3204).
+
+ MIPS: Fix uses of range analysis results in HChange (issue 3204).
+
+ Make translation of modulus operation '--stress-opt'-proof (Chromium
+ issue 352059).
+
+ Remove uses of CanBeNegative() in HMod (issue 3204).
+
+ Remove uses of RangeCanInclude() in flooring division by power of 2
+ (issue 3204).
+
+ Fix uses of range analysis results in HChange (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-14: Version 3.25.10
+
+ This version was not committed due to script failures.
+
+
+2014-03-13: Version 3.25.9
+
+ Reland "Enable Object.observe by default" again (issue 2409).
+
+ Use intrinsics for builtin ArrayBuffer property accesses (Chromium issue
+ 351787).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-12: Version 3.25.8
+
+ Fix HIsSmiAndBranch::KnownSuccessorBlock() by deleting it (Chromium
+ issue 351320).
+
+ Fix handling of polymorphic array accesses with constant index (Chromium
+ issue 351319).
+
+ Fix lazy deopt after tagged binary ops (Chromium issue 350434).
+
+ MIPS: Cleanup some of the range uses in ModI/DivI (issue 3204).
+
+ Fix issue with getOwnPropertySymbols and hidden properties (Chromium
+ issue 350864).
+
+ Cleanup some of the range uses in ModI/DivI (issue 3204).
+
+ PromiseCoerce should ignore primitive values (Chromium issue 347095).
+
+ Use a per-isolate cache for the date object JS bits (Chromium issue
+ 348856).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-11: Version 3.25.7
+
+ Promise.all and Promise.race should reject non-array parameter (Chromium
+ issue 347453).
+
+ Promise.all and Promise race should use "then" rather than "chain"
+ (Chromium issue 347427).
+
+ Merge the "Compute Minus Zero Checks" phase into the range analysis
+ (issue 3204).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-10: Version 3.25.6
+
+ Replace the recursion in PropagateMinusZeroChecks() with a loop and a
+ worklist (issue 3204).
+
+ Reland "Enable Object.observe by default" (issue 2409).
+
+ Enable Object.observe by default (issue 2409).
+
+ AllocationTracker now maintains a map from address range to stack trace
+ that allocated the range. When snapshot is generated the map is used to
+ find construction stack trace for an object using its address (Chromium
+ issue 277984).
+
+ Introduce Runtime_GetAllScopesDetails to get all scopes at once for a
+ frame (Chromium issue 340285).
+
+ Reduce heavy runtime calls from debug mirrors (Chromium issue 340285).
+
+ Check and clear date cache in DateCurrentTime, DateLocalTimezone and
+ getTimezoneOffset (Chromium issue 142141).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-06: Version 3.25.5
+
+ Fix HConstants with Smi-ranged HeapNumber values (Chromium issue
+ 349878).
+
+ Fix issues with JSON stringify replacer array (issues 3200, 3201).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-05: Version 3.25.4
+
+ x64: Fix LMathMinMax for constant Smi right-hand operands (Chromium
+ issue 349079).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-03-04: Version 3.25.3
+
+ Clear optimized code cache in shared function info when code gets
+ deoptimized (Chromium issue 343609).
+
+ Fixed constant folding for Math.clz32 (Chromium issue 347906).
+
+ Fix JSObject::PrintTransitions (Chromium issue 347912).
+
+ Fix handling of constant global variable assignments (Chromium issue
+ 347904).
+
+ Removed bogus ASSERT (Chromium issue 347542).
+
+ Mark HCompareMap as having Tagged representation (Chromium issue
+ 346636).
+
+ Fix crasher in Object.getOwnPropertySymbols (Chromium issue 346141).
+
+ Fix the bit massaging code in CompleteParserRecorder::WriteNumber
+ (Chromium issue 346221).
+
+ Don't eliminate loads with incompatible types or representations
+ (Chromium issue 346343).
+
+ Check that after a weak callback, the handle is either dead or strong
+ (Chromium issue 346061).
+
+ Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-25: Version 3.25.2
+
+ Fix the bit massaging code in CompleteParserRecorder::WriteNumber
+ (Chromium issue 346221).
+
+ Revert r19455 "Load target types and handlers before IC computation."
+ (Chromium issue 346149).
+
+ Don't eliminate loads with incompatible types or representations
+ (Chromium issue 346343).
+
+ Fix for a smi stores optimization on x64 with a regression test
+ (Chromium issue 345715).
+
+ Check that after a weak callback, the handle is either dead or strong
+ (Chromium issue 346061).
+
+ negative bounds checking on realm calls (Chromium issue 344285).
+
+ Lazy preparsing vs. lazy parsing fix (Chromium issue 346207).
+
+ Fix optimistic BCE to back off after deopt (issue 3176).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-21: Version 3.25.1
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-19: Version 3.25.0
+
+ ES6: Tighten up Object.prototype.__proto__ (issue 3064).
+
+ Fix Hydrogen bounds check elimination (Chromium issue 344186).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-19: Version 3.24.40
+
+ A64: Let the MacroAssembler resolve branches to distant targets (issue
+ 3148).
+
+ Fixed and improved code for integral division. Fixed and extended tests
+ (issue 3151).
+
+ MIPS: Fix assignment of function name constant (issue 3138).
+
+ Fix assignment of function name constant (issue 3138).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-14: Version 3.24.39
+
+ Introduce --job-based-sweeping flag and use individual jobs for sweeping
+ if set (issue 3104).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-13: Version 3.24.38
+
+ Merge experimental/a64 to bleeding_edge (issue 3113).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-12: Version 3.24.37
+
+ Fix spec violations in JSON.stringify wrt replacer array (issue 3135).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-11: Version 3.24.36
+
+ Fix inconsistencies wrt whitespaces (issue 3109).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-10: Version 3.24.35
+
+ Fix inconsistencies wrt whitespaces (issue 3109).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-07: Version 3.24.34
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-06: Version 3.24.33
+
+ Allow externalizing strings in old pointer space (Chromium issue
+ 268686).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-05: Version 3.24.32
+
+ Add Box object to heap profiler.
+
+ Check the offset argument of TypedArray.set for fitting into Smi
+ (Chromium issue 340125).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-04: Version 3.24.31
+
+ Fix short-circuiting logical and/or in HOptimizedGraphBuilder (Chromium
+ issue 336148).
+
+ Elements field of newly allocated JSArray could be left uninitialized in
+ some cases (fast literal case) (Chromium issue 340124).
+
+ Re-enable escape analysis.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-03: Version 3.24.30
+
+ Performance and stability improvements on all platforms.
+
+
+2014-02-01: Version 3.24.29
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-31: Version 3.24.28
+
+ Don't crash in Array.join() if the resulting string exceeds the max
+ string length (Chromium issue 336820).
+
+ Implements ES6 String.prototype.normalize method (issue 2943).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-30: Version 3.24.27
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-29: Version 3.24.26
+
+ ES6: Map and Set needs to normalize minus zero (issue 3069).
+
+ Make `String.prototype.{starts,ends}With` throw when passing a regular
+ expression (issue 3070).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-28: Version 3.24.25
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-27: Version 3.24.24
+
+ MIPS: Reduce the stack requirements of GetNoCodeAgeSequence (issue
+ 3111).
+
+ Delete v8_shell target now that chrome uses d8 (Chromium issue 331585).
+
+ ARM: Reduce the stack requirements of GetNoCodeAgeSequence (issue 3111).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-24: Version 3.24.23
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-23: Version 3.24.22
+
+ Fix compilation on x64 architectures (issue 3110).
+
+ Ensure we don't overwrite transitions in SetPropertyIgnoreAttributes
+ (Chromium issue 326155).
+
+ ES6: Implement Object.setPrototypeOf (issue 2675).
+
+ Fixed floor-of-div optimization (Chromium issue 334708).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-22: Version 3.24.21
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-21: Version 3.24.20
+
+ ES6: Implement Object.setPrototypeOf (issue 2675).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-20: Version 3.24.19
+
+ Introduce a setting to control the toolset for which d8 is compiled
+ (issue 1775).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-17: Version 3.24.18
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-16: Version 3.24.17
+
+ Make cells pointing to JSObjects weak in optimized code (issue 2073).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-15: Version 3.24.16
+
+ Annotate mapped memory regions for LeakSanitizer (Chromium issue
+ 328552).
+
+ Turn Runtime_MigrateInstance into Runtime_TryMigrateInstance (Chromium
+ issue 315252).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-14: Version 3.24.15
+
+ Introduce an API mirroring the gc extension.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-10: Version 3.24.14
+
+ ES6: Add Object.getOwnPropertySymbols (issue 3049).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-09: Version 3.24.13
+
+ Add Isolate parameter to HandleScope::NumberOfHandles (Chromium issue
+ 324225).
+
+ Removed v8::AssertNoGCScope.
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-08: Version 3.24.12
+
+ Correctly handle instances without elements in polymorphic keyed
+ load/store (Chromium issue 331416).
+
+ Fix selection of popular pages in store buffer (Chromium issue 331444).
+
+ Prepare removal of ObjectTemplate::New without Isolate parameter
+ (Chromium issue 324225).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-07: Version 3.24.11
+
+ Remove generated makefiles on linux when running gyp_v8
+ (Chromium issue 331475)
+
+ Fix building d8 with readline support due to API changes
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-03: Version 3.24.10
+
+ Reland r18383: More API cleanup (Chromium issue 324225).
+
+ MIPS: Fix loading of global object in LWrapReceiver (Chromium issue
+ 318420).
+
+ Performance and stability improvements on all platforms.
+
+
+2014-01-02: Version 3.24.9
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-30: Version 3.24.8
+
+ ARM: fix loading of global object in LWrapReceiver (Chromium issue
+ 318420).
+
+ Fix a race between concurrent recompilation and OSR (Chromium issue
+ 330046).
+
+ Turn off concurrent sweeping (issue 3071).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-23: Version 3.24.7
+
+ Fix small spec violation in String.prototype.split (issue 3026).
+
+ Correctly resolve forcibly context allocated parameters in debug-
+ evaluate (Chromium issue 325676).
+
+ Introduce Function::GetBoundFunction.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-20: Version 3.24.6
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-19: Version 3.24.5
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-18: Version 3.24.4
+
+ Removed all stuff marked as V8_DEPRECATED.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-17: Version 3.24.3
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-17: Version 3.24.2
+
+ Flush instruction cache for deserialized code objects.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-13: Version 3.24.1
+
+ Fix polymorphic inlined calls with migrating prototypes.
+
+ Fixed global object leak caused by overwriting the global receiver (the
+ global proxy) in the global object with the global object itself
+ (Chromium issue 324812).
+
+ Initialize Date parse cache with SMI instead of double to workaround
+ sharing mutable heap numbers in snapshot (Chromium issue 280531).
+
+ Switch armv7 setting to arm_version==7 in v8 gyp files (Chromium issue
+ 234135).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-09: Version 3.24.0
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-04: Version 3.23.18
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-03: Version 3.23.17
+
+ Performance and stability improvements on all platforms.
+
+
+2013-12-02: Version 3.23.16
+
+ Array builtins need to be prevented from changing frozen objects, and
+ changing structure on sealed objects (Chromium issue 299979).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-29: Version 3.23.15
+
+ Fix context register allocation in LTransitionElementsKind
+ (Chromium issue 324306).
+
+ Fix bug in inlining Function.apply (Chromium issue 323942).
+
+ Ensure that length is Smi in TypedArrayFromArrayLike constructor
+ (Chromium issue 324028).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-28: Version 3.23.14
+
+ Shorten autogenerated error message (issue 3019).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-27: Version 3.23.13
+
+ Increase precision for base conversion for large integers (issue 3025).
+
+ Flatten cons string for single character substrings (Chromium issue
+ 323041).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-26: Version 3.23.12
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-25: Version 3.23.11
+
+ Deprecate old versions of Isolate::SetData and GetData.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-22: Version 3.23.10
+
+ Remove preemption thread and API.
+ (issue 3004)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-21: Version 3.23.9
+
+ API: Change AdjustAmountOfExternalAllocatedMemory calls to use int64_t
+ instead of intptr_t.
+
+ Remove deprecated v8::SetResourceConstraints without Isolate parameter.
+
+ Remove deprecated v8-defaults.h and defaults.cc.
+ (Chromium issue 312241)
+
+ Make it possible to add more than one piece of embedder data to
+ isolates.
+ (Chromium issue 317398)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-20: Version 3.23.8
+
+ Fixed crashes exposed though fuzzing.
+ (Chromium issue 320948)
+
+ Deprecated v8::External::New without Isolate parameter.
+
+ Made number of available threads isolate-dependent and exposed it to
+ ResourceConstraints.
+ (issue 2991)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-19: Version 3.23.7
+
+ Bugfix: dependent code field in AllocationSite was keeping code objects
+ alive even after context death.
+ (Chromium issue 320532)
+
+ Fixed data view accessors to throw execptions on offsets bigger than
+ size_t.
+ (issue 3013)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-18: Version 3.23.6
+
+ Limit size of dehoistable array indices.
+ (Chromium issues 319835, 319860)
+
+ Limit the size for typed arrays to MaxSmi.
+ (Chromium issue 319722)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-15: Version 3.23.5
+
+ Fixed missing type feedback check for Generic*String addition.
+ (Chromium issue 318671)
+
+ Fixed duplicate check in DependentCode::Insert.
+ (Chromium issue 318454)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-14: Version 3.23.4
+
+ Fixed overflow in TypedArray initialization function.
+ (Chromium issue 319120)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-13: Version 3.23.3
+
+ Fixed compilation with GCC 4.8.
+ (issue 2767, 2149)
+
+ Added explicit Isolate parameter to External::New.
+ (Chromium issue 266838)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-12: Version 3.23.2
+
+ Fixed --extra-code flag for snapshot creation.
+ (issue 2994)
+
+ Fixed error message wording when instanceof throws.
+ (Chromium issue 82797, issue 1593)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-08: Version 3.23.1
+
+ Made HCapturedObjects non-deletable for DCE. (issue 2987)
+
+ Use a fixed random seed per default. (issue 1880, 2885)
+
+ Fixed y-umlaut to uppercase. (issue 2984)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-11-06: Version 3.23.0
+
+ Fixed loading message from an Error object. (Chromium issue 306220)
+
+ Made Object.freeze/seal/preventExtensions observable. (issue 2975, 2941)
+
+ Made snapshots reproducible. (issue 2885)
+
+ Added missing negative dictionary lookup to NonexistentHandlerFrontend.
+ (issue 2980)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-31: Version 3.22.24
+
+ Fixed uint32-to-smi conversion in Lithium.
+ (Chromium issue 309623)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-28: Version 3.22.23
+
+ Renamed deprecated __attribute__((no_address_safety_analysis)) to
+ __attribute__((no_sanitize_address)) (Chromium issue 311283)
+
+ Defined DEBUG for v8_optimized_debug=2
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-25: Version 3.22.22
+
+ Record allocation stack traces. (Chromium issue 277984,v8:2949)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-24: Version 3.22.21
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-24: Version 3.22.20
+
+ Made Array.prototype.pop throw if the last element is not configurable.
+
+ Fixed HObjectAccess for loads from migrating prototypes.
+ (Chromium issue 305309)
+
+ Enabled preaging of code objects when --optimize-for-size.
+ (Chromium issue 280984)
+
+ Exposed v8::Function::GetDisplayName to public API.
+ (Chromium issue 17356)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-23: Version 3.22.19
+
+ Fix materialization of captured objects with field tracking.
+ (Chromium issue 298990)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-22: Version 3.22.18
+
+ Add tool to visualize machine code/lithium.
+
+ Handle misaligned loads and stores in load elimination. Do not track
+ misaligned loads and be conservative about invalidating misaligned
+ stores. (issue 2934)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-21: Version 3.22.17
+
+ Harmony: Implement Math.trunc and Math.sign. (issue 2938)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-21: Version 3.22.16
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-18: Version 3.22.15
+
+ Enabled calling the SetReference* & SetObjectGroupId functions with a
+ Persistent<SubclassOfValue>.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-17: Version 3.22.14
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-16: Version 3.22.13
+
+ Do not look up ArrayBuffer on global object in typed array constructor.
+ (issue 2931)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-15: Version 3.22.12
+
+ Added histograms to track fraction of heap spaces and percentage of
+ generated crankshaft code.
+
+ Moved v8_optimized_debug default value to standalone.gypi.
+
+ Track JS allocations as they arrive with no affection on performance
+ when tracking is switched off (Chromium issue 277984).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-14: Version 3.22.11
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-11: Version 3.22.10
+
+ Fixed timezone issues with date-time/parse-* tests.
+ (Chromium issue 2919)
+
+ Added column getter to CpuProfileNode (Chromium issue 302537)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-10: Version 3.22.9
+
+ Ensure only whitelisted stubs have sse2 versions in the snapshot.
+ (fix for chromium 304565)
+
+ Implement ArrayBuffer.isView.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-04: Version 3.22.8
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-03: Version 3.22.7
+
+ Debug: Allow stepping into on a given call frame
+ (Chromium issue 296963).
+
+ Always use timeGetTime() for TimeTicks::Now() on Windows
+ (Chromium issue 288924).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-02: Version 3.22.6
+
+ Performance and stability improvements on all platforms.
+
+
+2013-10-01: Version 3.22.5
+
+ Disabled externalization of sliced/cons strings in old pointer space
+ (Chromium issue 276357).
+
+ Turned on handle zapping for release builds
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-30: Version 3.22.4
+
+ Function::Call and Object::CallAsFunction APIs should allow v8::Value as
+ a receiver (issue 2915).
+
+ Removed unnecessary mutex (Chromium issue 291236).
+
+ Removed ArrayBufferView::BaseAddress method.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-27: Version 3.22.3
+
+ Added methods to enable configuration of ResourceConstraints based on
+ limits derived at runtime.
+ (Chromium issue 292928)
+
+ Added -optimize-for-size flag to optimize for memory size (will be used
+ by pre-aging CL), and removed the is_memory_constrained
+ ResourceConstraint.
+ (Chromium issue 292928)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-26: Version 3.22.2
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-25: Version 3.22.1
+
+ Sped up creating typed arrays from array-like objects.
+ (Chromium issue 270507)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-23: Version 3.22.0
+
+ LiveEdit to mark more closure functions for re-instantiation when scope
+ layout changes.
+ (issue 2872)
+
+ Made bounds check elimination iterative instead of recursive.
+ (Chromium issue 289706)
+
+ Turned on i18n support by default.
+
+ Set the proper instance-type on HAllocate in BuildFastLiteral.
+ (Chromium issue 284577)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-18: Version 3.21.17
+
+ Implemented local load/store elimination on basic blocks.
+
+ Added mutex when accessing concurrent recompilation output queue.
+ (Chromium issue 291236)
+
+ Don't lookup the cache for the result of Function::New.
+ (Chromium issue 272579)
+
+ Tweaked HConstant::EmitAtUses() to eliminate useless constant
+ generation.
+ (Chromium issue 2881)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-16: Version 3.21.16
+
+ Every place where AllocationMemento is initialized with an
+ AllocationSite is now checked to be sure a valid Site goes in. This is
+ temporary code to diagnose chromium bug 284577.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-13: Version 3.21.15
+
+ Non-JSObject heap objects are now handled using slow-path IC stub
+ guarded by the map.
+ (Chromium issue 280632)
+
+ i18n Javascript code added to the snapshot.
+ (V8 issue 2745)
+
+ Performance and stability improvements on all platforms.
+
+2013-09-12: Version 3.21.14
+
+ Added access check for observed objects.
+ (V8 issue 2778)
+
+ Cleaned up v8::ArrayBuffer::Allocator interface.
+ (V8 issue 2823)
+
+ Performance and stability improvements on all platforms.
+
+2013-09-11: Version 3.21.13
+
+ Added a ResourceConstraint for the embedder to specify that V8 is
+ running on a memory constrained device.
+ (Chromium issue 280984)
+
+ Removed HandleScope default ctor.
+ (Chromium issue 236173)
+
+ Enabled escape analysis for Hydrogen.
+
+ Correctly stringified mixed encoding indirect strings.
+ (Chromium issue 287476)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-09: Version 3.21.12
+
+ Fixed bitwise negation on x64.
+ (Chromium issue 285355)
+
+ Dropped GetCurrentThreadId() and TerminateExecution(int) from
+ the external API.
+
+ Fixed polymorphic INTERCEPTOR StoreICs on ARM/MIPS.
+ (Chromium issue 284998)
+
+ Added check if timeout has expired after processing each sample.
+ (issue 2814,v8:2871)
+
+ Removed obsolete global V8::has_been_fooed flags.
+ (issue 2744)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-05: Version 3.21.11
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-04: Version 3.21.10
+
+ Fixed Eternal::IsEmpty logic (issue 2870).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-03: Version 3.21.9
+
+ Deprecated Persistent functions which were marked to be deprecated.
+
+ Allowed uncacheable identifiers to go generic (issue 2867).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-09-02: Version 3.21.8
+
+ Added scriptId to StackTrace frames (issue 2865).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-30: Version 3.21.7
+
+ Fixed casts of eternal handles.
+
+ Turned on global handle zapping.
+
+ Always visit branches during HGraph building (Chromium issue 280333).
+
+ Profiler changes: removed deprecated API, support higher sampling
+ rate on Windows.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-29: Version 3.21.6
+
+ Fixed inlined 'throw' statements interfering with live range
+ computation. (issue 2843)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-28: Version 3.21.5
+
+ Fixed compilation with recent MinGW64 versions. (issue 2300)
+
+ Added RemovePrototype to FunctionTemplate. (Chromium issue 272440)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-26: Version 3.21.4
+
+ Lowered kInitialMaxFastElementArray constant to 95K (issue 2790).
+
+ Use signals for cpu profiling on Mac OS X (issue 2814).
+
+ Deprecated CpuProfileNode::GetSelfSamplesCount (Chromium issue 267595).
+
+ Added support for higher CPU profiler sampling rate on posix systems
+ (issue 2814).
+
+ Worked around 'inlining failed' build error with older GCC 4.x releases.
+
+ Added source map support to tick processor.
+
+ Stability improvements on all platforms.
+
+
+2013-08-23: Version 3.21.3
+
+ Temporarily disabled optimization for StringWrappers to use native
+ valueOf. (issue 2855)
+
+ Fixed crash on function declarations in eval inside non-trivial local
+ scope. (issue 2594)
+
+ Rewrote SamplingCircularQueue. (issue 2814)
+
+ Fixed hidden properties on object with frozen prototype. (issue 2829)
+
+ Fix deoptimization bug. (Chromium issue 274164)
+
+ Stability improvements on all platforms.
+
+
+2013-08-22: Version 3.21.2
+
+ Stability improvements on all platforms.
+
+
+2013-08-21: Version 3.21.1
+
+ Promoted ArrayBuffer, DataView and typed arrays to non-experimental.
+ (Chromium issue 270527)
+
+ Replaced OS::MemCopy with memcpy in typed array initialization.
+ (Chromium issue 270642)
+
+ Moved i18n break iterator C++ code to runtime (issue 2745)
+
+ Fixed invalid out-of-bounds store in MacroAssembler::Allocate.
+ (Chromium issue 263515)
+
+ Fixed register misuse in Allocate() on ARM. (issue 2851)
+
+ Fixed empty handle dereference in Runtime_InternalNumberFormat.
+ (Chromium issue 275467)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-19: Version 3.21.0
+
+ Fixed GC-related crasher (Chromium issue 274438)
+
+ Reverted making Intl non-enumerable.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-14: Version 3.20.17
+
+ Fixed Math.round/floor that had bogus Smi representation
+ (Chromium issue 272564)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-13: Version 3.20.16
+
+ Fixed bug in HPhi::SimplifyConstantInput (Chromium issue 269679)
+
+ Fixed gcmole bugs in i18n code (issue 2745)
+
+ ia32: Calls to the TranscendentalCacheStub must ensure that esi is
+ set (issue 2827)
+
+ Made sure polymorphic element access creates non-replaying
+ phis. (issue 2815)
+
+ Allowed HPhis to have an invalid merge index. (issue 2815)
+
+ Fixed smi-based math floor. (Chromium issue 270268)
+
+ Deprecated self and total time getters and total sample count
+ getter on CpuProfileNode. (Chromium issue 267595)
+
+ Fixed Object.freeze, Object.observe wrt CountOperation and
+ CompoundAssignment. (issue 2774,2779)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-07: Version 3.20.15
+
+ Exposed eternal handle api.
+
+ Bugfix to solve issues with enabling V8 typed arrays in Blink.
+
+ Fixed Array index dehoisting. (Chromium issue 264203)
+
+ Updated Array Iterator to use numeric indexes (issue 2818)
+
+ Return start/end profiling time in microseconds instead of milliseconds
+ (issue 2824)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-06: Version 3.20.14
+
+ Added new Harmony methods to Array.prototype object.
+ (issue 2776,v8:2777)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-08-01: Version 3.20.12
+
+ Removed buggy ToNumber truncation (partial fix for issue 2813)
+
+ Calling Map etc without new should throw TypeError (issue 2819)
+
+ Fixed a crash for large code objects on ARM (Chromium issue 2736)
+
+ Fixed stale unhandlified value in JSObject::SetPropertyForResult.
+ (Chromium issue 265894)
+
+ Added new Harmony methods to String.prototype object.
+ (issue 2796,v8:2797,v8:2798,v8:2799)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-30: Version 3.20.11
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-29: Version 3.20.10
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-26: Version 3.20.9
+
+ Check that ExternalString objects get aligned resources.
+
+ Fixed JSArray-specific length lookup in polymorphic array handling
+ (Chromium issues 263276, 263905).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-24: Version 3.20.8
+
+ Deprecated v8::V8::Pause/ResumeProfiler.
+
+ Fixed Chromium issues 247688, 258519 and 260203.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-22: Version 3.20.7
+
+ Deprecated some debugger methods.
+
+ Fixed wrong bailout id in polymorphic stores (Chromium issue 259787).
+
+ Fixed data race in SamplingCircularQueue (Chromium issue 251218).
+
+ Fixed type feedback in presence of negative lookups
+ (Chromium issue 252797).
+
+ Do not materialize context-allocated values for debug-evaluate
+ (Chromium issue 259300).
+
+ Synchronized Compare-Literal behavior in FullCodegen and Hydrogen
+ (Chromium issue 260345).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-17: Version 3.20.6
+
+ Try to remove invalidated stubs before falling back to checking the
+ constant state (Chromium issue 260585).
+
+ Fixed gyp_v8 to work with use_system_icu=1 (issue 2475).
+
+ Fixed sloppy-mode 'const' under Harmony flag (Chromium issue 173361).
+
+ Use internal array as API function cache (Chromium issue 260106).
+
+ Fixed possible stack overflow in range analysis
+ (Chromium issue 259452).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-15: Version 3.20.5
+
+ Ensured that the length of frozen arrays is immutable
+ (issue 2711, Chromium issue 259548).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-10: Version 3.20.4
+
+ Fixed garbage-collection issue that causes a crash on ARM
+ (Chromium issue 254570)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-08: Version 3.20.3
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-05: Version 3.20.2
+
+ Remove deprecated heap profiler methods from V8 public API
+
+ Mark i18n functions as native and set proper names
+ (issue 2745)
+
+ Correctly report stack trace when current function is FunctionApply
+ builtin (Chromium issue 252097)
+
+ Enable GDBJIT interface for standalone by default.
+
+ Fix debuggersupport=off build. (issue 2754)
+
+ Introduce -m64 flag for making x64 when the default gcc compiler is for
+ X32
+
+ Performance and stability improvements on all platforms.
+
+
+2013-07-02: Version 3.20.1
+
+ Implemented WeakMap.prototype.clear function. (issue 2753)
+
+ Ensure CheckInitialized is present independent of define.
+ (Chromium issue 255779)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-28: Version 3.20.0
+
+ Migrated several tests from blink to V8 repository.
+
+ Allowed users of the V8 API to distinguish between unset and undefined
+ HiddenValues (issue 2746).
+
+ Deprecated old style callbacks in the V8 API.
+
+ Turned on parallel recompilation.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-18: Version 3.19.18
+
+ Fixed read-only attribute of Function.length in strict mode.
+ (issue 2705)
+
+ Fixed Runtime_SetProperty to properly handle OOM failures
+ (Chromium issue 249873)
+
+ Emit deprecated check for constant function transitions.
+ (Chromium issue 250609)
+
+ Made MathFloorOfDiv optimization trigger more often
+ (Issue 2205)
+
+ Make more GCs in idle notification handler.
+ (Chromium issue 241815)
+
+ Increased default type info threshold.
+ (Issue 2730)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-14: Version 3.19.16
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-13: Version 3.19.15
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-13: Version 3.19.14
+
+ Fixed crashes when calling new Array(a) with a single argument that
+ could result in creating a holey array with a packed elements kind.
+ (Chromium issue 245480)
+
+ Fixed issues in parallel compilation.
+ (Chromium issue 248076)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-11: Version 3.19.13
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-10: Version 3.19.12
+
+ Fixed arguments array access. (Chromium issue 247303)
+
+ Fixed bug in LookupForWrite. (Chromium issue 242332)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-07: Version 3.19.11
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-06: Version 3.19.10
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-05: Version 3.19.9
+
+ Implemented Load IC support for loading properties from primitive
+ values to avoid perpetual soft deopts. (Chromium issue 242512)
+
+ Implemented Freeing of PerThreadAssertData when possible to avoid
+ memory leak. (Chromium issue 246567)
+
+ Removed V8_USE_OLD_STYLE_PERSISTENT_HANDLE_VISITORS.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-06-03: Version 3.19.8
+
+ Fixed bug with inlining 'Array' function. (Chromium issue 244461)
+
+ Fixed initialization of literal objects. (Chromium issue 245424)
+
+ Fixed function name inferred inside closures. (Chromium issue 224884)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-31: Version 3.19.7
+
+ Added support for //# sourceURL similar to deprecated //@ sourceURL one.
+ (issue 2702)
+
+ Made sure IfBuilder::Return clears the current block.
+ (Chromium issue 243868)
+
+ Fixed two CPU profiler tests on ARM and MIPS simulators
+ (issue 2628)
+
+ Fixed idle incremental GC for large objects.
+ (Chromium issue 241815)
+
+ Disabled --optimize-constructed-arrays due to crashes
+ (Chromium issue 244461)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-28: Version 3.19.6
+
+ Fixed IfBuilder::Deopt to clear the current block
+ (Chromium issue 243868).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-27: Version 3.19.5
+
+ Reset regexp parser flag after scanning ahead for capture groups.
+ (issue 2690)
+
+ Removed flakiness in test-cpu-profiler/SampleWhenFrameIsNotSetup.
+ (issue 2628)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-24: Version 3.19.4
+
+ Fixed edge case in stack trace formatting. (Chromium issue 237617)
+
+ Fixed embedded new-space pointer in LCmpObjectEqAndBranch. (Chromium
+ issue 240032)
+
+ Made Object.freeze fast (issue 1858, Chromium issue 115960)
+
+ Fixed bogus deopt in BuildEmitDeepCopy for holey arrays. (Chromium issue
+ 242924)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-22: Version 3.19.3
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-17: Version 3.19.2
+
+ Fill in one-word-fillers for the unused property fields
+ (Chromium issue 240056).
+
+ Removed use_system_v8 logic from the mainline gyp file
+ (Chromium issue 226860).
+
+ Skip CPU profiler samples where top function's stack frame is not
+ set up properly (issue 2628).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-14: Version 3.19.1
+
+ Fixed missing hole check for loads from Smi arrays when all uses are
+ changes (Chromium issue 233737)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-05-10: Version 3.19.0
+
+ Deprecated Context::New which returns Persistent.
+
+ Added Persistent<T>::Reset which disposes the handle and redirects it to
+ point to another object.
+
+ Deprecated WriteAscii and MayContainNonAscii.
+
+ Exposed AssertNoAllocation to API.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-30: Version 3.18.5
+
+ Allowed setting debugger breakpoints on CompareNilICs (issue 2660)
+
+ Fixed beyond-heap load on x64 Crankshafted StringCharFromCode
+ (Chromium issue 235311)
+
+ Change 'Parse error' to three more informative messages.
+ (Chromium issue 2636)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-26: Version 3.18.4
+
+ Added a preliminary API for ES6 ArrayBuffers
+
+ Replaced qsort with std::sort. (Chromium issue 2639)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-24: Version 3.18.3
+
+ Exposed the GC under a name that is less collision prone than window.gc.
+ (issue 2641)
+
+ Do not emit double values at their use sites. (Chromium issue 234101)
+
+ Added methods to allow resuming execution after calling
+ TerminateExecution(). (issue 2361)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-22: Version 3.18.2
+
+ OS::MemMove/OS::MemCopy: Don't call through to generated code when size
+ == 0 to avoid prefetching invalid memory (Chromium issue 233500)
+
+ Removed heap snapshot size limit. (Chromium issue 232305)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-18: Version 3.18.1
+
+ Removed SCons related files and deprecated test suite configurations.
+
+ Improved handling of unary plus (issue 2527).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-17: Version 3.18.0
+
+ Enabled pretenuring of fast literals in high promotion mode.
+
+ Removed preparser library; link preparser executable against full V8.
+
+ Fixed set-up of intrinsic's 'constructor' properties.
+ (Chromium issue 229445)
+
+ ES6 symbols: extended V8 API to support symbols (issue 2158).
+
+ Removed ARM support for VFP2.
+
+ Made __proto__ a real JavaScript accessor property.
+ (issue 1949 and issue 2606)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-04-04: Version 3.17.16
+
+ Stack trace API: poison stack frames below the first strict mode frame.
+ (issue 2564)
+
+ Made Isolate::GetHeapStatistics robust against half-initialized
+ isolates (Chromium issue 2591).
+
+ Finished implementation of ES6 symbols aka. private names (issue 2158).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-21: Version 3.17.15
+
+ Rolled back API changes to maintain compatibility with older
+ 3.17.x versions of V8.
+
+ Disable zapping of global handles in release mode.
+
+ Always mark the entire valid prefix of the descriptor array.
+ (Chromium issue 196331)
+
+ Use internal memcpy for CopyWords and when copying code.
+ (Chromium issue 196330)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-20: Version 3.17.14
+
+ Use internal memcpy when initializing code objects.
+ (Chromium issue 196330)
+
+ Disabled weak embedded maps because of crashes.
+ (Chromium issues 172489, 217858)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-19: Version 3.17.13
+
+ Turned Flags into a uint32_t typedef (Chromium issue 194749).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-18: Version 3.17.12
+
+ Unified kMaxArguments with number of bits used to encode it.
+ (Chromium issue 211741)
+
+ Fixed detection of |handle_smi| case in
+ HOptimizedGraphBuilder::HandlePolymorphicCallNamed.
+ (Chromium issue 196583)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-15: Version 3.17.11
+
+ Added a version of the v8::HandleScope constructor with an v8::Isolate
+ parameter and made AdjustAmountOfExternalAllocatedMemory an instance
+ method of v8::Isolate.
+ (issue 2487)
+
+ Fixed two register allocator bugs (off-by-one error/failure
+ propagation). (issue 2576)
+
+ Fixed huge heap snapshot when a heavily shared context has many
+ variables. (Chromium issue 145687)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-13: Version 3.17.10
+
+ Fixed heap snapshot creation for Harmony collections. (issue 2535)
+
+ Fixed register allocation corner case. (Chromium issue 177883)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-08: Version 3.17.9
+
+ Restored Function()'s expected string representation. (issue 2470)
+
+ Enabled deprecatations (again). (issue 2487)
+
+ Avoid bool to Oddball conversions by being lazy. (issue 2491)
+
+ Added %p option to --logfile.
+
+ Hardened Function()'s parsing of function literals. (issue 2470)
+
+ ES6 symbols: Refine test for getOwnPropertyNames. (issue 2158)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-07: Version 3.17.8
+
+ Added missing license headers. (Chromium issue 98597)
+
+ Inserted missing type cast in JSON.stringify. (issue 2570)
+
+ Reverted "Send SIGPROF signals on the profiler event processor thread"
+ (issue 2571)
+
+ Fixed Array.length, String.length and Function.prototype LoadICs on x64.
+ (issue 2568)
+
+ ES6 symbols: filter symbols form for-in loops and Object.keys.
+ (issue 2158)
+
+ Properly handle misses for StoreArrayLengthStub on ia32 and x64
+ (issue 2566)
+
+ Fixed x32 handling of Atomic64. (Chromium issue chromium-os:36866)
+
+ Removed "library" variable from standalone.gypi. (Chromium issue 111541)
+
+ Fixed HCheckSmiOrInt <-> HBoundsCheck interaction wrt. representations.
+ (issue 2556)
+
+ Enabled zapping of disposed global handles in release mode.
+ (Chromium issue 176056)
+
+ Added workaround for redefinition of __proto__ property. (issue 2565)
+
+ ES6 symbols: Allow symbols as property names. (issue 2158)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-03-04: Version 3.17.7
+
+ Limited recursion in regexp compilation by a budget.
+ (Chromium issue 178790)
+
+ ES6 symbols: Implemented Symbol intrinsic and basic functionality
+ (issue 2158)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-28: Version 3.17.6
+
+ Fixed materialization of arguments objects with unknown values.
+ (Chromium issue 163530)
+
+ Set default number of sweeper threads to at most four.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-27: Version 3.17.5
+
+ Made __proto__ a foreign callback on Object.prototype.
+ (issue 621, issue 1949 and issue 2441)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-25: Version 3.17.4
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-21: Version 3.17.3
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-19: Version 3.17.2
+
+ Removed bogus check for TOP register in deoptimizer.
+ (Chromium issue 176943)
+
+ Made the Isolate parameter mandatory for internal HandleScopes.
+ (issue 2487)
+
+ Fixed f.apply() optimization when declared arguments are mutated.
+ (issue 2539)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-14: Version 3.17.1
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-13: Version 3.17.0
+
+ Enabled parallel sweeping.
+
+ Don't try to unlink instructions twice during GVN
+ (Chromium issue 175141)
+
+ Fixed code flusher disabling while marking incrementally.
+ (Chromium issue 173458, 168582)
+
+ Don't use TLS for space iterators.
+ (issue 2531)
+
+ Added new GetHeapStatistics API entry and deprecated old one.
+
+ Fixed DoubleStackSlot-to-DoubleStackSlot moves on ia32. Unified
+ platform-independent code.
+ (Chromium issue 173907)
+
+ Added --trace-array-abuse to help find OOB accesses.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-06: Version 3.16.14
+
+ Performance and stability improvements on all platforms.
+
+
+2013-02-04: Version 3.16.13
+
+ Tagged stubs that rely on instance types as MEGAMORPHIC.
+ (Chromium issue 173974)
+
+ Fixed clearing of dead dependent codes and verifing of weak
+ embedded maps on full GC. (Chromium issue 172488,172489)
+
+ Made the arm port build cleanly with Clang.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-31: Version 3.16.12
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-30: Version 3.16.11
+
+ Put making embedded maps in optimized code weak behind a flag.
+ (Chromium issue 172488,172489)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-25: Version 3.16.10
+
+ Avoid excessive memory usage during redundant phi elimination.
+ (issue 2510)
+
+ Fixed additional spec violations wrt RegExp.lastIndex.
+ (issue 2437)
+
+ Added Isolate parameter to Persistent class.
+ (issue 2487)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-24: Version 3.16.9
+
+ Made embedded maps in optimized code weak.
+ (issue 2073)
+
+ Fixed corner case when JSFunction is evicted from flusher.
+ (Chromium issue 168801)
+
+ Correctly set kCanBeDivByZero flag for HMathFloorOfDiv.
+ (Chromium issue 171641)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-23: Version 3.16.8
+
+ Correctly reset lastIndex in an RegExp object.
+ (Chromium issue 170856)
+
+ Added a workaround for Windows compilation problems related to V8EXPORT.
+ (issue 2507)
+
+ tools/run-tests.py: shlex.split() the value of --command-prefix
+ (Chromium issue 171553)
+
+ Fixed pattern detection for replacing shifts by rotation.
+ (Chromium issue 2499)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-21: Version 3.16.7
+
+ Removed <(library) usage from v8.gyp.
+ (Chromium issue 111541)
+
+ Fixed out of bounds memory access in TestJSArrayForAllocationSiteInfo.
+ (Chromium issue 169928)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-18: Version 3.16.6
+
+ Made the Isolate parameter mandatory in Locker and Unlocker classes.
+ (issue 2487)
+
+ Avoid pointer underflow in CopyCharsUnsigned.
+ (issue 2493)
+
+ Generate shim headers when using system v8.
+ (Chromium issue 165264)
+
+ Fixed arguments materialization for inlined apply().
+ (issue 2489)
+
+ Sync'ed laziness between BuildFunctionInfo and MakeFunctionInfo.
+ (Chromium issue 147497)
+
+ Added sanity check to CodeFlusher::AddCandidate.
+ (Chromium issue 169209)
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-15: Version 3.16.5
+
+ Removed deprecated functions from V8's external API.
+
+ Prepared API for WebKit use of Latin-1.
+
+ Fixed V8 issue 2486.
+
+ Fixed Chromium issue 169723.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-11: Version 3.16.4
+
+ Fixed Chromium issues 168545 and 169209.
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-09: Version 3.16.3
+
+ Improved GC performance when moving parts of a FixedArray (issue 2452).
+
+ Enabled readline on d8 while building a shared lib (issue 1781).
+
+ Fixed missing exception check in typed array constructor
+ (Chromium issue 168545).
+
+ Check for read-only-ness when preparing for array sort (issue 2419).
+
+ Performance and stability improvements on all platforms.
+
+
+2013-01-04: Version 3.16.2
+
+ Added Makefile options to build for the Raspberry Pi (armv7=0,
+ arm_fpu=vfp2).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-27: Version 3.16.1
+
+ Fixed x64 MathMinMax for negative untagged int32 arguments.
+ (Chromium issue 164442)
+
+ Fixed FloatingPointHelper::CheckSSE2OperandIsInt32.
+ (issue 2458)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-21: Version 3.16.0
+
+ V8_Fatal now prints C++ stack trace in debug mode.
+
+ Added HTML-based tick processor.
+
+ Continued implementation of Object.observe (V8 issue 2409).
+
+ Fixed V8 issues 2243, 2340, 2393, 2399, 2457.
+
+ Fixed Chromium issues 125308, 165637, 166379, 166553.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-10: Version 3.15.11
+
+ Define CAN_USE_VFP2/3_INSTRUCTIONS based on arm_neon and arm_fpu GYP
+ flags.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-07: Version 3.15.10
+
+ Enabled optimisation of functions inside eval. (issue 2315)
+
+ Fixed spec violations in methods of Number.prototype. (issue 2443)
+
+ Added GCTracer metrics for a scavenger GC for DOM wrappers.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-06: Version 3.15.9
+
+ Fixed candidate eviction in code flusher.
+ (Chromium issue 159140)
+
+ Iterate through all arguments for side effects in Math.min/max.
+ (issue 2444)
+
+ Fixed spec violations related to regexp.lastIndex
+ (issue 2437, issue 2438)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-12-04: Version 3.15.8
+
+ Enforced stack allocation of TryCatch blocks.
+ (issue 2166,chromium:152389)
+
+ Fixed external exceptions in external try-catch handlers.
+ (issue 2166)
+
+ Activated incremental code flushing by default.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-30: Version 3.15.7
+
+ Activated code aging by default.
+
+ Included more information in --prof log.
+
+ Removed eager sweeping for lazy swept spaces. Try to find in
+ SlowAllocateRaw a bounded number of times a big enough memory slot.
+ (issue 2194)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-26: Version 3.15.6
+
+ Ensure double arrays are filled with holes when extended from
+ variations of empty arrays. (Chromium issue 162085)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-23: Version 3.15.5
+
+ Fixed JSON.stringify for objects with interceptor handlers.
+ (Chromium issue 161028)
+
+ Fixed corner case in x64 compare stubs. (issue 2416)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-16: Version 3.15.4
+
+ Fixed Array.prototype.join evaluation order. (issue 2263)
+
+ Perform CPU sampling by CPU sampling thread only iff processing thread
+ is not running. (issue 2364)
+
+ When using an Object as a set in Object.getOwnPropertyNames, null out
+ the proto. (issue 2410)
+
+ Disabled EXTRA_CHECKS in Release build.
+
+ Heap explorer: Show representation of strings.
+
+ Removed 'type' and 'arguments' properties from Error object.
+ (issue 2397)
+
+ Added atomics implementation for ThreadSanitizer v2.
+ (Chromium issue 128314)
+
+ Fixed LiveEdit crashes when object/array literal is added. (issue 2368)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-13: Version 3.15.3
+
+ Changed sample shell to send non-JS output (e.g. errors) to stderr
+ instead of stdout.
+
+ Correctly check for stack overflow even when interrupt is pending.
+ (issue 214)
+
+ Collect stack trace on stack overflow. (issue 2394)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-12: Version 3.15.2
+
+ Function::GetScriptOrigin supplies sourceURL when script name is
+ not available. (Chromium issue 159413)
+
+ Made formatting error message side-effect-free. (issue 2398)
+
+ Fixed length check in JSON.stringify. (Chromium issue 160010)
+
+ ES6: Added support for Set and Map clear method (issue 2400)
+
+ Fixed slack tracking when instance prototype changes.
+ (Chromium issue 157019)
+
+ Fixed disabling of code flusher while marking. (Chromium issue 159140)
+
+ Added a test case for object grouping in a scavenger GC (issue 2077)
+
+ Support shared library build of Android for v8.
+ (Chromium issue 158821)
+
+ ES6: Added support for size to Set and Map (issue 2395)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-11-06: Version 3.15.1
+
+ Put incremental code flushing behind a flag. (Chromium issue 159140)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-31: Version 3.15.0
+
+ Loosened aligned code target requirement on ARM (issue 2380)
+
+ Fixed JSON.parse to treat leading zeros correctly.
+ (Chromium issue 158185)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-22: Version 3.14.5
+
+ Killed off the SCons based build.
+
+ Added a faster API for creating v8::Integer objects.
+
+ Speeded up function deoptimization by avoiding quadratic pass over
+ optimized function list. (Chromium issue 155270)
+
+ Always invoke the default Array.sort functions from builtin functions.
+ (issue 2372)
+
+ Reverted recent CPU profiler changes because they broke --prof.
+ (issue 2364)
+
+ Switched code flushing to use different JSFunction field.
+ (issue 1609)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-15: Version 3.14.4
+
+ Allow evals for debugger even if they are prohibited in the debugee
+ context. (Chromium issue 154733)
+
+ Enabled --verify-heap in release mode (issue 2120)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-11: Version 3.14.3
+
+ Use native context to retrieve ErrorMessageForCodeGenerationFromStrings
+ (Chromium issue 155076).
+
+ Bumped variable limit further to 2^17 (Chromium issue 151625).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-10: Version 3.14.2
+
+ ARM: allowed VFP3 instructions when hardfloat is enabled.
+ (Chromium issue 152506)
+
+ Fixed instance_descriptors() and PushStackTraceAndDie regressions.
+ (Chromium issue 151749)
+
+ Made GDBJIT interface compile again. (issue 1804)
+
+ Fixed Accessors::FunctionGetPrototype's proto chain traversal.
+ (Chromium issue 143967)
+
+ Made sure that names of temporaries do not clash with real variables.
+ (issue 2322)
+
+ Rejected local module declarations. (Chromium issue 150628)
+
+ Rejected uses of lexical for-loop variable on the RHS. (issue 2322)
+
+ Fixed slot recording of code target patches.
+ (Chromium issue 152615,chromium:144230)
+
+ Changed the Android makefile to use GCC 4.6 instead of GCC 4.4.3.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-10-01: Version 3.14.1
+
+ Don't set -m32 flag when compiling with Android ARM compiler.
+ (Chromium issue 143889)
+
+ Restore the descriptor array before returning allocation failure.
+ (Chromium issue 151750)
+
+ Lowered kMaxVirtualRegisters (v8 issue 2139, Chromium issues 123822 and
+ 128252).
+
+ Pull more recent gyp in 'make dependencies'.
+
+ Made sure that the generic KeyedStoreIC changes length and element_kind
+ atomically (issue 2346).
+
+ Bumped number of allowed variables per scope to 65535, to address GWT.
+ (Chromium issue 151625)
+
+ Support sourceURL for dynamically inserted scripts (issue 2342).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-09-20: Version 3.14.0
+
+ Fixed missing slot recording during clearing of CallICs.
+ (Chromium issue 144230)
+
+ Fixed LBoundsCheck on x64 to handle (stack slot + constant) correctly.
+ (Chromium issue 150729)
+
+ Fixed minus zero test. (Issue 2133)
+
+ Fixed setting array length to zero for slow elements.
+ (Chromium issue 146910)
+
+ Fixed lost arguments dropping in HLeaveInlined.
+ (Chromium issue 150545)
+
+ Fixed casting error for receiver of interceptors.
+ (Chromium issue 149912)
+
+ Throw a more descriptive exception when blocking 'eval' via CSP.
+ (Chromium issue 140191)
+
+ Fixed debugger's eval when close to stack overflow. (issue 2318)
+
+ Added checks to live edit. (issue 2297)
+
+ Switched on code compaction on incremental GCs.
+
+ Fixed caching of optimized code for OSR. (issue 2326)
+
+ Not mask exception thrown by toString in String::UtfValue etc.
+ (issue 2317)
+
+ Fixed API check for length of external arrays. (Chromium issue 148896)
+
+ Ensure correct enumeration indices in the dict (Chromium issue 148376)
+
+ Correctly initialize regexp global cache. (Chromium issue 148378)
+
+ Fixed arguments object materialization during deopt. (issue 2261)
+
+ Introduced new API to expose external string resource regardless of
+ encoding.
+
+ Fixed CHECK failure in LCodeGen::DoWrapReceiver when
+ --deopt-every-n-times flag is present
+ (Chromium issue 148389)
+
+ Fixed edge case of extension with NULL as source string.
+ (Chromium issue 144649)
+
+ Fixed array index dehoisting. (Chromium issue 141395)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-09-11: Version 3.13.7
+
+ Enable/disable LiveEdit using the (C++) debug API.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-09-06: Version 3.13.6
+
+ Added validity checking to API functions and calls.
+
+ Disabled accessor inlining (Chromium issue 134609).
+
+ Fixed bug in Math.min/max in optimized code (Chromium issue 145961).
+
+ Directly use %ObjectKeys in json stringify (Chromium issue 2312).
+
+ Fixed VS2005 build (issue 2313).
+
+ Activated fixed ES5 readonly semantics by default.
+
+ Added hardfp flag to the Makefile.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-29: Version 3.13.5
+
+ Release stack trace data after firing Error.stack accessor.
+ (issue 2308)
+
+ Added a new API V8::SetJitCodeEventHandler to push code name and
+ location to users such as profilers.
+
+ Allocate block-scoped global bindings to global context.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-28: Version 3.13.4
+
+ Print reason for disabling optimization. Kill --trace-bailout flag.
+
+ Provided option to disable full DEBUG build on Android.
+
+ Introduced global contexts to represent lexical global scope(s).
+
+ Fixed rounding in Uint8ClampedArray setter. (issue 2294)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-21: Version 3.13.3
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-20: Version 3.13.2
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-16: Version 3.13.1
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-10: Version 3.13.0
+
+ Added histograms for total allocated/live heap size, as well as
+ allocated size and percentage of total for map and cell space.
+
+ Fixed parseInt's octal parsing behavior (ECMA-262 Annex E 15.1.2.2).
+ (issue 1645)
+
+ Added checks for interceptors to negative lookup code in Crankshaft.
+ (Chromium issue 140473)
+
+ Made incremental marking clear ICs and type feedback cells.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-08-01: Version 3.12.19
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-30: Version 3.12.18
+
+ Forced using bit-pattern for signed zero double. (issue 2239)
+
+ Made sure double to int conversion is correct. (issue 2260)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-27: Version 3.12.17
+
+ Always set the callee's context when calling a function from optimized
+ code.
+ (Chromium issue 138887)
+
+ Fixed building with GCC 3.x
+ (issue 2016, 2017)
+
+ Improved API calls that return empty handles.
+ (issue 2245)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-25: Version 3.12.16
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-24: Version 3.12.15
+
+ Added PRESERVE_ASCII_NULL option to String::WriteAscii.
+ (issue 2252)
+
+ Added dependency to HLoadKeyed* instructions to prevent invalid
+ hoisting. (Chromium issue 137768)
+
+ Enabled building d8 for Android on Mac.
+
+ Interpret negative hexadecimal literals as NaN.
+ (issue 2240)
+
+ Expose counters in javascript when using --track-gc-object-stats.
+
+ Enabled building and testing V8 on Android IA.
+
+ Added --trace-parse flag to parser.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-18: Version 3.12.14
+
+ Deactivated optimization of packed arrays.
+ (Chromium issue 137768)
+
+ Fixed broken accessor transition.
+ (Chromium issue 137689)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-17: Version 3.12.13
+
+ Fixed missing tagging of stack value in finally block.
+ (Chromium issue 137496)
+
+ Added more support for heap analysis.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-16: Version 3.12.12
+
+ Added an option to the tickprocessor to specify the directory for lib
+ lookup.
+
+ Fixed ICs for slow objects with native accessor (Chromium issue 137002).
+
+ Fixed transcendental cache on ARM in optimized code (issue 2234).
+
+ New heap inspection tools: counters for object sizes and counts,
+ histograms for external fragmentation.
+
+ Incorporated constness into inferred interfaces (in preparation for
+ handling imports) (issue 1569).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-12: Version 3.12.11
+
+ Renamed "mips" arch to "mipsel" in the GYP build.
+
+ Fixed computation of call targets on prototypes in Crankshaft.
+ (Chromium issue 125148)
+
+ Removed use of __lookupGetter__ when generating stack trace.
+ (issue 1591)
+
+ Turned on ES 5.2 globals semantics by default.
+ (issue 1991, Chromium issue 80591)
+
+ Synced preparser and parser wrt syntax error in switch..case.
+ (issue 2210)
+
+ Fixed reporting of octal literals in strict mode when preparsing.
+ (issue 2220)
+
+ Fixed inline constructors for Harmony Proxy prototypes.
+ (issue 2225)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-10: Version 3.12.10
+
+ Re-enabled and fixed issue with array bounds check elimination
+ (Chromium issue 132114).
+
+ Fixed Debug::Break crash. (Chromium issue 131642)
+
+ Added optimizing compiler support for JavaScript getters.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-06: Version 3.12.9
+
+ Correctly advance the scanner when scanning unicode regexp flag.
+ (Chromium issue 136084)
+
+ Fixed unhandlified code calling Harmony Proxy traps.
+ (issue 2219)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-05: Version 3.12.8
+
+ Implemented TypedArray.set and ArrayBuffer.slice in d8.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-07-03: Version 3.12.7
+
+ Fixed lazy compilation for strict eval scopes.
+ (Chromium issue 135066)
+
+ Made MACOSX_DEPLOYMENT_TARGET configurable in GYP.
+ (issue 2151)
+
+ Report "hidden properties" in heap profiler for properties case.
+ (issue 2212)
+
+ Activated optimization of packed arrays by default.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-29: Version 3.12.6
+
+ Cleaned up hardfp ABI detection for ARM (V8 issue 2140).
+
+ Extended TypedArray support in d8.
+
+
+2012-06-28: Version 3.12.5
+
+ Fixed lazy parsing heuristics to respect outer scope.
+ (Chromium issue 135008)
+
+ Allow using test-wrapper-gypbuild.py on Windows when no python
+ interpreter is registered.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-27: Version 3.12.4
+
+ Removed -fomit-frame-pointer flag from Release builds to make
+ the stack walkable by TCMalloc (Chromium issue 133723).
+
+ Ported r7868 (constant masking) to x64 (issue 1374).
+
+ Expose more detailed memory statistics (issue 2201).
+
+ Fixed Harmony Maps and WeakMaps for undefined values
+ (Chromium issue 132744).
+
+ Correctly throw reference error in strict mode with ICs disabled
+ (issue 2119).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-25: Version 3.12.3
+
+ Reverted r11835 'Unify promotion and allocation limit computation' due
+ to V8 Splay performance regression on Mac. (Chromium issue 134183)
+
+ Fixed sharing of literal boilerplates for optimized code. (issue 2193)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-22: Version 3.12.2
+
+ Made near-jump check more strict in LoadNamedFieldPolymorphic on
+ ia32/x64. (Chromium issue 134055)
+
+ Fixed lazy sweeping heuristics to prevent old-space expansion.
+ (issue 2194)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-21: Version 3.12.1
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-20: Version 3.12.0
+
+ Fixed Chromium issues:
+ 115100, 129628, 131994, 132727, 132741, 132742, 133211
+
+ Fixed V8 issues:
+ 915, 1914, 2034, 2087, 2094, 2134, 2156, 2166, 2172, 2177, 2179, 2185
+
+ Added --extra-code flag to mksnapshot to load JS code into the VM
+ before creating the snapshot.
+
+ Support 'restart call frame' command in the debugger.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-13: Version 3.11.10
+
+ Implemented heap profiler memory usage reporting.
+
+ Preserved error message during finally block in try..finally.
+ (Chromium issue 129171)
+
+ Fixed EnsureCanContainElements to properly handle double values.
+ (issue 2170)
+
+ Improved heuristics to keep objects in fast mode with inherited
+ constructors.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-06-06: Version 3.11.9
+
+ Implemented ES5-conformant semantics for inherited setters and read-only
+ properties. Currently behind --es5_readonly flag, because it breaks
+ WebKit bindings.
+
+ Exposed last seen heap object id via v8 public api.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-31: Version 3.11.8
+
+ Avoid overdeep recursion in regexp where a guarded expression with a
+ minimum repetition count is inside another quantifier.
+ (Chromium issue 129926)
+
+ Fixed missing write barrier in store field stub.
+ (issues 2143, 1465, Chromium issue 129355)
+
+ Proxies: Fixed receiver for setters inherited from proxies.
+ Proxies: Fixed ToStringArray function so that it does not reject some
+ keys.
+ (issue 1543)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-29: Version 3.11.7
+
+ Get better function names in stack traces.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-24: Version 3.11.6
+
+ Fixed RegExp.prototype.toString for incompatible receivers
+ (issue 1981).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-23: Version 3.11.5
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-22: Version 3.11.4
+
+ Some cleanup to common.gypi. This fixes some host/target combinations
+ that weren't working in the Make build on Mac.
+
+ Handle EINTR in socket functions and continue incomplete sends.
+ (issue 2098)
+
+ Fixed python deprecations. (issue 1391)
+
+ Made socket send and receive more robust and return 0 on failure.
+ (Chromium issue 15719)
+
+ Fixed GCC 4.7 (C++11) compilation. (issue 2136)
+
+ Set '-m32' option for host and target platforms
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-18: Version 3.11.3
+
+ Disable optimization for functions that have scopes that cannot be
+ reconstructed from the context chain. (issue 2071)
+
+ Define V8_EXPORT to nothing for clients of v8. (Chromium issue 90078)
+
+ Correctly check for native error objects. (Chromium issue 2138)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-16: Version 3.11.2
+
+ Revert r11496. (Chromium issue 128146)
+
+ Implement map collection for incremental marking. (issue 1465)
+
+ Add toString method to CallSite (which describes a frame of the
+ stack trace).
+
+
+2012-05-15: Version 3.11.1
+
+ Added a readbuffer function to d8 that reads a file into an ArrayBuffer.
+
+ Fix freebsd build. (V8 issue 2126)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-11: Version 3.11.0
+
+ Fixed compose-discard crasher from r11524 (issue 2123).
+
+ Activated new global semantics by default. Global variables can
+ now shadow properties of the global object (ES5.1 erratum).
+
+ Properly set ElementsKind of empty FAST_DOUBLE_ELEMENTS arrays when
+ transitioning (Chromium issue 117409).
+
+ Made Error.prototype.name writable again, as required by the spec and
+ the web (Chromium issue 69187).
+
+ Implemented map collection with incremental marking (issue 1465).
+
+ Regexp: Fixed overflow in min-match-length calculation
+ (Chromium issue 126412).
+
+ MIPS: Fixed illegal instruction use on Loongson in code for
+ Math.random() (issue 2115).
+
+ Fixed crash bug in VisitChoice (Chromium issue 126272).
+
+ Fixed unsigned-Smi check in MappedArgumentsLookup
+ (Chromium issue 126414).
+
+ Fixed LiveEdit for function with no locals (issue 825).
+
+ Fixed register clobbering in LoadIC for interceptors
+ (Chromium issue 125988).
+
+ Implemented clearing of CompareICs (issue 2102).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-05-03: Version 3.10.8
+
+ Enabled MIPS cross-compilation.
+
+ Ensured reload of elements pointer in StoreFastDoubleElement stub.
+ (Chromium issue 125515)
+
+ Fixed corner cases in truncation behavior when storing to
+ TypedArrays. (issue 2110)
+
+ Fixed failure to properly recognize and report out-of-memory
+ conditions when allocating code space pages. (Chromium issue
+ 118625)
+
+ Fixed idle notifications to perform a round of incremental GCs
+ after context disposal. (issue 2107)
+
+ Fixed preparser for try statement. (issue 2109)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-30: Version 3.10.7
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-26: Version 3.10.6
+
+ Fixed some bugs in accessing details of the last regexp match.
+
+ Fixed source property of empty RegExp objects. (issue 1982)
+
+ Enabled inlining some V8 API functions.
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-23: Version 3.10.5
+
+ Put new global var semantics behind a flag until WebKit tests are
+ cleaned up.
+
+ Enabled stepping into callback passed to builtins.
+ (Chromium issue 109564)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-19: Version 3.10.4
+
+ Fixed issues when stressing compaction with WeakMaps.
+
+ Fixed missing GVN flag for new-space promotion. (Chromium issue 123919)
+
+ Simplify invocation sequence at monomorphic function invocation sites.
+ (issue 2079)
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-17: Version 3.10.3
+
+ Fixed several bugs in heap profiles (including issue 2078).
+
+ Throw syntax errors on illegal escape sequences.
+
+ Implemented rudimentary module linking (behind --harmony flag)
+
+ Implemented ES5 erratum: Global declarations should shadow
+ inherited properties.
+
+ Made handling of const more consistent when combined with 'eval'
+ and 'with'.
+
+ Fixed V8 on MinGW-x64 (issue 2026).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-13: Version 3.10.2
+
+ Fixed native ARM build (issues 1744, 539)
+
+ Return LOOKUP variable instead of CONTEXT for non-context allocated
+ outer scope parameters (Chromium issue 119609).
+
+ Fixed regular and ElementsKind transitions interfering with each other
+ (Chromium issue 122271).
+
+ Improved performance of keyed loads/stores which have a HeapNumber
+ index (issues 1388, 1295).
+
+ Fixed WeakMap processing for evacuation candidates (issue 2060).
+
+ Bailout on possible direct eval calls (Chromium issue 122681).
+
+ Do not assume that names of function expressions are context-allocated
+ (issue 2051).
+
+ Performance and stability improvements on all platforms.
+
+
+2012-04-10: Version 3.10.1
+
+ Fixed bug with arguments object in inlined functions (issue 2045).
+
+ Fixed performance bug with lazy initialization (Chromium issue
+ 118686).
+
+ Added suppport for Mac OS X 64bit builds with GYP.
+ (Patch contributed by Filipe David Manana <fdmanana@gmail.com>)
+
+ Fixed bug with hidden properties (issue 2034).
+
+ Fixed a performance bug when reloading pages (Chromium issue 117767,
+ V8 issue 1902).
+
+ Fixed bug when optimizing throw in top-level code (issue 2054).
+
+ Fixed two bugs with array literals (issue 2055, Chromium issue 121407).
+
+ Fixed bug with Math.min/Math.max with NaN inputs (issue 2056).
+
+ Fixed a bug with the new runtime profiler (Chromium issue 121147).
+
+ Fixed compilation of V8 using uClibc.
+
+ Optimized boot-up memory use.
+
+ Optimized regular expressions.
+
+
+2012-03-30: Version 3.10.0
+
+ Fixed store IC writability check in strict mode
+ (Chromium issue 120099).
+
+ Resynchronize timers if the Windows system time was changed.
+ (Chromium issue 119815)
+
+ Removed "-mfloat-abi=hard" from host compiler cflags when building for
+ hardfp ARM
+ (https://code.google.com/p/chrome-os-partner/issues/detail?id=8539)
+
+ Fixed edge case for case independent regexp character classes
+ (issue 2032).
+
+ Reset function info counters after context disposal.
+ (Chromium issue 117767, V8 issue 1902)
+
+ Fixed missing write barrier in CopyObjectToObjectElements.
+ (Chromium issue 119926)
+
+ Fixed missing bounds check in HasElementImpl.
+ (Chromium issue 119925)
+
+ Performance and stability improvements on all platforms.
+
+
2012-03-23: Version 3.9.24
Activated count-based profiler for ARM.