Fix embedded new-space pointer in LCmpObjectEqAndBranch.

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
diff --git a/src/ia32/lithium-codegen-ia32.cc b/src/ia32/lithium-codegen-ia32.cc
index 954f34cfa05f3c21bbd97289ac96f4bf944eec28..1d85be8a4e8b44b3dfa1a8ad69669e716b4c1592 100644
--- a/src/ia32/lithium-codegen-ia32.cc
+++ b/src/ia32/lithium-codegen-ia32.cc
@@ -2304,10 +2304,11 @@ void LCodeGen::DoCmpObjectEqAndBranch(LCmpObjectEqAndBranch* instr) {
   int true_block = chunk_->LookupDestination(instr->true_block_id());
 
   if (instr->right()->IsConstantOperand()) {
-    __ cmp(left, ToHandle(LConstantOperand::cast(instr->right())));
+    Handle<Object> right = ToHandle(LConstantOperand::cast(instr->right()));
+    __ CmpObject(left, right);
   } else {
     Operand right = ToOperand(instr->right());
-    __ cmp(left, Operand(right));
+    __ cmp(left, right);
   }
   EmitBranch(true_block, false_block, equal);
 }