remove getcurrent from stubs

src/x64/code-stubs-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3601 matching lines @@
   // Check stack alignment.
   if (FLAG_debug_code) {
     __ CheckStackAlignment();
   }
 
   if (do_gc) {
     // Pass failure code returned from last attempt as first argument to
     // PerformGC. No need to use PrepareCallCFunction/CallCFunction here as the
     // stack is known to be aligned. This function takes one argument which is
     // passed in register.
+    __ movq(arg_reg_2, ExternalReference::isolate_address(masm->isolate()));
     __ movq(arg_reg_1, rax);
     __ movq(kScratchRegister,
             ExternalReference::perform_gc_function(masm->isolate()));
     __ call(kScratchRegister);
   }
 
   ExternalReference scope_depth =
       ExternalReference::heap_always_allocate_scope_depth(masm->isolate());
   if (always_allocate_scope) {
     Operand scope_depth_operand = masm->ExternalOperand(scope_depth);
@@ skipping 3009 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64