X87: [runtime] [proxy] Implementing [[Call]].

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 4418d87a611c5ecff8072f2085be5e5f11ff9f48..4ded3f31b153d49288223b8a9621b042c6bfc8a6 100644
--- a/src/x87/builtins-x87.cc
+++ b/src/x87/builtins-x87.cc
@@ -1548,7 +1548,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   __ PushReturnAddressFrom(ecx);
   // Increase the arguments size to include the pushed function and the
   // existing receiver on the stack.
-  __ addp(eax, Immediate(2));
+  __ add(eax, Immediate(2));
   // Tail-call to the runtime.
   __ JumpToExternalReference(
       ExternalReference(Runtime::kJSProxyCall, masm->isolate()));