Update V8 to r4588
We're using WebKit r58033, as used by
http://src.chromium.org/svn/releases/5.0.387.0/DEPS
This requires http://v8.googlecode.com/svn/trunk@4465 but this version has a
crashing bug for ARM. Instead we use http://v8.googlecode.com/svn/trunk@4588,
which is used by http://src.chromium.org/svn/releases/6.0.399.0/DEPS
Note that a trivial bug fix was required in arm/codegen-arm.cc. This is guarded
with ANDROID. See http://code.google.com/p/v8/issues/detail?id=703
Change-Id: I459647a8286c4f8c7405f0c5581ecbf051a6f1e8
diff --git a/test/mjsunit/debug-liveedit-patch-positions-replace.js b/test/mjsunit/debug-liveedit-patch-positions-replace.js
new file mode 100644
index 0000000..09b1b48
--- /dev/null
+++ b/test/mjsunit/debug-liveedit-patch-positions-replace.js
@@ -0,0 +1,83 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose-debug-as debug
+// Get the Debug object exposed from the debug context global object.
+
+// Scenario: a function is being changed, which causes enclosing function to
+// have its positions patched; position changing requires new instance of Code
+// object to be introduced; the function happens to be on stack at this moment;
+// later it will resume over new instance of Code.
+// Before the change 2 rinfo are 22 characters away from each other. After the
+// change they are 114 characters away from each other. New instance of Code is
+// required when those numbers cross the border value of 64 (in any direction).
+
+Debug = debug.Debug
+
+eval(
+ "function BeingReplaced(changer, opt_x, opt_y) {\n" +
+ " changer();\n" +
+ " var res = new Object();\n" +
+ " if (opt_x) { res.y = opt_y; }\n" +
+ " res.a = (function() {})();\n" +
+ " return res.a;\n" +
+ "}"
+);
+
+var script = Debug.findScript(BeingReplaced);
+
+var orig_body = "{}";
+var patch_pos = script.source.indexOf(orig_body);
+// Line long enough to change rinfo encoding.
+var new_body_patch = "{return 'Capybara';" +
+ " " +
+ "}";
+
+var change_log = new Array();
+function Changer() {
+ Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, orig_body.length, new_body_patch, change_log);
+ print("Change log: " + JSON.stringify(change_log) + "\n");
+}
+
+function NoOp() {
+}
+
+function CallM(changer) {
+ // We expect call IC here after several function runs.
+ return BeingReplaced(changer);
+}
+
+// This several iterations should cause call IC for BeingReplaced call. This IC
+// will keep reference to code object of BeingRepalced function. This reference
+// should also be patched. Unfortunately, this is a manually checked fact (from
+// debugger or debug print) and doesn't work as an automatic test.
+CallM(NoOp);
+CallM(NoOp);
+CallM(NoOp);
+
+var res = CallM(Changer);
+assertEquals("Capybara", res);