Reviewers: Søren Gjesse,

Description:
Merge r8028 to the 3.2 branch.

Fix a bug in a corner case of deoptimization on x64.  The bug was triggered
by deoptimizing to immediately after a duplicated property name in an object
literal.

[email protected]


Please review this at http://codereview.chromium.org/7063022/

SVN Base: https://v8.googlecode.com/svn/branches/3.2

Affected files:
  M src/version.cc
  M src/x64/full-codegen-x64.cc


Index: src/version.cc
diff --git a/src/version.cc b/src/version.cc
index ed0f59b0e7c85b3d7f2e88fe98e3a029dfd7ecc7..4d8ded9a99a96283f42b815ff2266e73c79a7dc8 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     2
 #define BUILD_NUMBER      10
-#define PATCH_LEVEL       12
+#define PATCH_LEVEL       13
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 #define IS_CANDIDATE_VERSION 0
Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index 97168cdce4615ebbe96ddd9ed1dd0c460eee885f..6933d7800e9602069cc071bdbbfca69147fa624f 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -1398,13 +1398,17 @@ void FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) {
         // Fall through.
       case ObjectLiteral::Property::COMPUTED:
         if (key->handle()->IsSymbol()) {
-          VisitForAccumulatorValue(value);
-          __ Move(rcx, key->handle());
-          __ movq(rdx, Operand(rsp, 0));
           if (property->emit_store()) {
-            Handle<Code> ic = isolate()->builtins()->StoreIC_Initialize();
+            VisitForAccumulatorValue(value);
+            __ Move(rcx, key->handle());
+            __ movq(rdx, Operand(rsp, 0));
+            Handle<Code> ic = is_strict_mode()
+                ? isolate()->builtins()->StoreIC_Initialize_Strict()
+                : isolate()->builtins()->StoreIC_Initialize();
             EmitCallIC(ic, RelocInfo::CODE_TARGET);
             PrepareForBailoutForId(key->id(), NO_REGISTERS);
+          } else {
+            VisitForEffect(value);
           }
           break;
         }


--
v8-dev mailing list
[email protected]
http://groups.google.com/group/v8-dev

Reply via email to