Make the strict-mode calling convention for contextual calls the default one.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 67503e3963509dde3dcca2f4f5f9f2af9f898b5d..1c95fa9eb6ecb755ce86b7805f3dd298c8ad7e8d 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -781,10 +781,10 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
     __ mov(edi, Operand(esp, eax, times_4, 1 * kPointerSize));
     __ jmp(&patch_receiver);
 
-    // Use the global receiver object from the called function as the
-    // receiver.
     __ bind(&use_global_receiver);
-    CallStubCompiler::FetchGlobalProxy(masm, ebx, edi);
+    __ mov(ebx,
+           Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+    __ mov(ebx, FieldOperand(ebx, GlobalObject::kGlobalReceiverOffset));
 
     __ bind(&patch_receiver);
     __ mov(Operand(esp, eax, times_4, 0), ebx);
@@ -855,14 +855,14 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
          FieldOperand(edx, SharedFunctionInfo::kFormalParameterCountOffset));
   __ mov(edx, FieldOperand(edi, JSFunction::kCodeEntryOffset));
   __ SmiUntag(ebx);
-  __ SetCallKind(ecx, CALL_AS_METHOD);
+  __ SetCallKind(ecx, CALL_AS_FUNCTION);
   __ cmp(eax, ebx);
   __ j(not_equal,
        masm->isolate()->builtins()->ArgumentsAdaptorTrampoline());
 
   ParameterCount expected(0);
   __ InvokeCode(edx, expected, expected, JUMP_FUNCTION, NullCallWrapper(),
-                CALL_AS_METHOD);
+                CALL_AS_FUNCTION);
 }
 
 
@@ -914,7 +914,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     __ mov(ebx, Operand(ebp, kReceiverOffset));
 
     // Check that the function is a JS function (otherwise it must be a proxy).
-    Label push_receiver;
+    Label push_receiver, use_global_receiver;
     __ mov(edi, Operand(ebp, kFunctionOffset));
     __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
     __ j(not_equal, &push_receiver);
@@ -924,7 +924,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
 
     // Compute the receiver.
     // Do not transform the receiver for strict mode functions.
-    Label call_to_object, use_global_receiver;
+    Label call_to_object;
     __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset));
     __ test_b(FieldOperand(ecx, SharedFunctionInfo::kStrictModeByteOffset),
               1 << SharedFunctionInfo::kStrictModeBitWithinByte);
@@ -955,9 +955,10 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     __ mov(ebx, eax);
     __ jmp(&push_receiver);
 
-    // Use the current global receiver object as the receiver.
     __ bind(&use_global_receiver);
-    CallStubCompiler::FetchGlobalProxy(masm, ebx, edi);
+    __ mov(ebx,
+           Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
+    __ mov(ebx, FieldOperand(ebx, GlobalObject::kGlobalReceiverOffset));
 
     // Push the receiver.
     __ bind(&push_receiver);
@@ -990,7 +991,7 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     __ cmp(ecx, Operand(ebp, kLimitOffset));
     __ j(not_equal, &loop);
 
-    // Invoke the function.
+    // Call the function.
     Label call_proxy;
     __ mov(eax, ecx);
     ParameterCount actual(eax);
@@ -999,17 +1000,17 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
     __ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
     __ j(not_equal, &call_proxy);
     __ InvokeFunction(edi, actual, CALL_FUNCTION,
-                      NullCallWrapper(), CALL_AS_METHOD);
+                      NullCallWrapper(), CALL_AS_FUNCTION);
 
     frame_scope.GenerateLeaveFrame();
     __ ret(3 * kPointerSize);  // remove this, receiver, and arguments
 
-    // Invoke the function proxy.
+    // Call the function proxy.
     __ bind(&call_proxy);
     __ push(edi);  // add function proxy as last argument
     __ inc(eax);
     __ Set(ebx, Immediate(0));
-    __ SetCallKind(ecx, CALL_AS_METHOD);
+    __ SetCallKind(ecx, CALL_AS_FUNCTION);
     __ GetBuiltinEntry(edx, Builtins::CALL_FUNCTION_PROXY);
     __ call(masm->isolate()->builtins()->ArgumentsAdaptorTrampoline(),
             RelocInfo::CODE_TARGET);