X87: [builtins] Add receiver to builtin exit frames.

src/x87/builtins-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 18 matching lines @@
   //  -- esp[4 * (argc +1)] : receiver
   // -----------------------------------
   __ AssertFunction(edi);
 
   // Make sure we operate in the context of the called function (for example
   // ConstructStubs implemented in C++ will be run in the context of the caller
   // instead of the callee, due to the way that [[Construct]] is defined for
   // ordinary functions).
   __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset));
 
+  // JumpToExternalReference expects eax to contain the number of arguments
+  // including the receiver and the extra arguments.
+  const int num_extra_args = 3;
+  __ add(eax, Immediate(num_extra_args + 1));
+
   // Insert extra arguments.
-  const int num_extra_args = 2;
   __ PopReturnAddressTo(ecx);
+  __ SmiTag(eax);
+  __ Push(eax);
+  __ SmiUntag(eax);
   __ Push(edi);
   __ Push(edx);
   __ PushReturnAddressFrom(ecx);
 
-  // JumpToExternalReference expects eax to contain the number of arguments
-  // including the receiver and the extra arguments.
-  __ add(eax, Immediate(num_extra_args + 1));
-
   __ JumpToExternalReference(ExternalReference(id, masm->isolate()),
                              exit_frame_type == BUILTIN_EXIT);
 }
 
 static void GenerateTailCallToReturnedCode(MacroAssembler* masm,
                                            Runtime::FunctionId function_id) {
   // ----------- S t a t e -------------
   //  -- eax : argument count (preserved for callee)
   //  -- edx : new target (preserved for callee)
   //  -- edi : target function (preserved for callee)
@@ skipping 2986 matching lines @@
   // And "return" to the OSR entry point of the function.
   __ ret(0);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87