Update V8 to r7427: Initial merge by git

As required by WebKit r82507

Change-Id: I7ae83ef3f689356043b4929255b7c1dd31d8c5df

1 files changed, 17 insertions, 2 deletions

diff --git a/src/compiler.h b/src/compiler.h
index e0a437ac..a66c5401 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -46,6 +46,10 @@ class CompilationInfo BASE_EMBEDDED {
   explicit CompilationInfo(Handle<SharedFunctionInfo> shared_info);
   explicit CompilationInfo(Handle<JSFunction> closure);
 
+  Isolate* isolate() {
+    ASSERT(Isolate::Current() == isolate_);
+    return isolate_;
+  }
   bool is_lazy() const { return (flags_ & IsLazy::mask()) != 0; }
   bool is_eval() const { return (flags_ & IsEval::mask()) != 0; }
   bool is_global() const { return (flags_ & IsGlobal::mask()) != 0; }
@@ -80,6 +84,12 @@ class CompilationInfo BASE_EMBEDDED {
     ASSERT(is_lazy());
     flags_ |= IsInLoop::encode(true);
   }
+  void MarkAsAllowingNativesSyntax() {
+    flags_ |= IsNativesSyntaxAllowed::encode(true);
+  }
+  bool allows_natives_syntax() const {
+    return IsNativesSyntaxAllowed::decode(flags_);
+  }
   void SetFunction(FunctionLiteral* literal) {
     ASSERT(function_ == NULL);
     function_ = literal;
@@ -136,6 +146,8 @@ class CompilationInfo BASE_EMBEDDED {
   }
 
  private:
+  Isolate* isolate_;
+
   // Compilation mode.
   // BASE is generated by the full codegen, optionally prepared for bailouts.
   // OPTIMIZE is optimized code generated by the Hydrogen-based backend.
@@ -174,6 +186,8 @@ class CompilationInfo BASE_EMBEDDED {
   class IsInLoop: public BitField<bool, 3, 1> {};
   // Strict mode - used in eager compilation.
   class IsStrict: public BitField<bool, 4, 1> {};
+  // Native syntax (%-stuff) allowed?
+  class IsNativesSyntaxAllowed: public BitField<bool, 5, 1> {};
 
   unsigned flags_;
 
@@ -278,8 +292,9 @@ class CompilationZoneScope : public ZoneScope {
   explicit CompilationZoneScope(ZoneScopeMode mode) : ZoneScope(mode) { }
   virtual ~CompilationZoneScope() {
     if (ShouldDeleteOnExit()) {
-      FrameElement::ClearConstantList();
-      Result::ClearConstantList();
+      Isolate* isolate = Isolate::Current();
+      isolate->frame_element_constant_list()->Clear();
+      isolate->result_constant_list()->Clear();
     }
   }
 };