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

src/x87/builtins-x87.cc

Index: src/x87/builtins-x87.cc
diff --git a/src/x87/builtins-x87.cc b/src/x87/builtins-x87.cc
index 3a38f0d636c5b9677ec96ba32885c7304c489687..0f835ba26faa92f316797aa6ace457ae9e94b3f0 100644
--- a/src/x87/builtins-x87.cc
+++ b/src/x87/builtins-x87.cc
@@ -36,17 +36,20 @@ void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id,
   // 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);
 }