Make _CallFunction proxy-aware.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 7a1967e0ccb71af533fd4c4843339aff2432dd30..34eebb9e376bc592c89bd558353ef35b77d47de1 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -4338,6 +4338,7 @@ Object* CallFunctionStub::GetCachedValue(Address address) {
 
 
 void CallFunctionStub::Generate(MacroAssembler* masm) {
+  // edi : the function to call
   Isolate* isolate = masm->isolate();
   Label slow, non_function;
 
@@ -4359,10 +4360,6 @@ void CallFunctionStub::Generate(MacroAssembler* masm) {
     __ bind(&receiver_ok);
   }
 
-  // Get the function to call from the stack.
-  // +2 ~ receiver, return address
-  __ mov(edi, Operand(esp, (argc_ + 2) * kPointerSize));
-
   // Check that the function really is a JavaScript function.
   __ JumpIfSmi(edi, &non_function);
   // Goto slow case if we do not have a function.