reland 16744: add context save for GenerateFastApiCall

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 2630 matching lines @@
   // The original subject is in the previous stack frame. Therefore we have to
   // use rbp, which points exactly to one pointer size below the previous rsp.
   // (Because creating a new stack frame pushes the previous rbp onto the stack
   // and thereby moves up rsp by one kPointerSize.)
   __ movq(arg_reg_1, r15);
 
   // Locate the code entry and call it.
   __ addq(r11, Immediate(Code::kHeaderSize - kHeapObjectTag));
   __ call(r11);
 
-  __ LeaveApiExitFrame();
+  __ LeaveApiExitFrame(true);
 
   // Check the result.
   Label success;
   Label exception;
   __ cmpl(rax, Immediate(1));
   // We expect exactly one result since we force the called regexp to behave
   // as non-global.
   __ j(equal, &success, Label::kNear);
   __ cmpl(rax, Immediate(NativeRegExpMacroAssembler::EXCEPTION));
   __ j(equal, &exception);
@@ skipping 3979 matching lines @@
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64