add a default value for return value

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 691e9a63668c03a3ad8d91e8a36e26227627b3ea..3906623a586a17e4e71c0d8ecbfc6244c60e02dd 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -469,11 +469,12 @@ static void GenerateFastApiCall(MacroAssembler* masm,
   //                           (first fast api call extra argument)
   //  -- esp[12]             : api call data
   //  -- esp[16]             : isolate
-  //  -- esp[20]             : ReturnValue
-  //  -- esp[24]             : last argument
+  //  -- esp[20]             : ReturnValue default value
+  //  -- esp[24]             : ReturnValue
+  //  -- esp[28]             : last argument
   //  -- ...
-  //  -- esp[(argc + 5) * 4] : first argument
-  //  -- esp[(argc + 6) * 4] : receiver
+  //  -- esp[(argc + 6) * 4] : first argument
+  //  -- esp[(argc + 7) * 4] : receiver
   // -----------------------------------
   // Get the function and setup the context.
   Handle<JSFunction> function = optimization.constant_function();
@@ -495,9 +496,11 @@ static void GenerateFastApiCall(MacroAssembler* masm,
          Immediate(reinterpret_cast<int>(masm->isolate())));
   __ mov(Operand(esp, 5 * kPointerSize),
          masm->isolate()->factory()->undefined_value());
+  __ mov(Operand(esp, 6 * kPointerSize),
+         masm->isolate()->factory()->undefined_value());
 
   // Prepare arguments.
-  STATIC_ASSERT(kFastApiCallArguments == 5);
+  STATIC_ASSERT(kFastApiCallArguments == 6);
   __ lea(eax, Operand(esp, kFastApiCallArguments * kPointerSize));
 
   const int kApiArgc = 1;  // API function gets reference to the v8::Arguments.
@@ -1387,6 +1390,8 @@ void BaseLoadStubCompiler::GenerateLoadCallback(
     __ push(Immediate(Handle<Object>(callback->data(), isolate())));
   }
   __ push(Immediate(isolate()->factory()->undefined_value()));  // ReturnValue
+  // ReturnValue default value
+  __ push(Immediate(isolate()->factory()->undefined_value()));
   __ push(Immediate(reinterpret_cast<int>(isolate())));
 
   // Save a pointer to where we pushed the arguments pointer.  This will be
@@ -1420,7 +1425,7 @@ void BaseLoadStubCompiler::GenerateLoadCallback(
   __ CallApiFunctionAndReturn(getter_address,
                               kStackSpace,
                               returns_handle,
-                              5);
+                              6);
 }