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.

git-svn-id: http://v8.googlecode.com/svn/trunk@12180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/ia32/lithium-ia32.h b/src/ia32/lithium-ia32.h
index e05a936..ee9bf79 100644
--- a/src/ia32/lithium-ia32.h
+++ b/src/ia32/lithium-ia32.h
@@ -872,6 +872,7 @@
   LOperand* length() { return inputs_[1]; }
 
   DECLARE_CONCRETE_INSTRUCTION(BoundsCheck, "bounds-check")
+  DECLARE_HYDROGEN_ACCESSOR(BoundsCheck)
 };
 
 
@@ -1277,6 +1278,19 @@
 };
 
 
+inline static bool ExternalArrayOpRequiresTemp(
+    Representation key_representation,
+    ElementsKind elements_kind) {
+  // Operations that require the key to be divided by two to be converted into
+  // an index cannot fold the scale operation into a load and need an extra
+  // temp register to do the work.
+  return key_representation.IsTagged() &&
+      (elements_kind == EXTERNAL_BYTE_ELEMENTS ||
+       elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS ||
+       elements_kind == EXTERNAL_PIXEL_ELEMENTS);
+}
+
+
 class LLoadKeyedSpecializedArrayElement: public LTemplateInstruction<1, 2, 0> {
  public:
   LLoadKeyedSpecializedArrayElement(LOperand* external_pointer, LOperand* key) {