Don't push eax/rax before calling Runtime_Abort

src/x64/macro-assembler-x64.h

 // 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.
 
 #ifndef V8_X64_MACRO_ASSEMBLER_X64_H_
 #define V8_X64_MACRO_ASSEMBLER_X64_H_
 
 #include "assembler.h"
 #include "frames.h"
 #include "globals.h"
@@ skipping 1054 matching lines @@
   // Unlink the stack handler on top of the stack from the try handler chain.
   void PopTryHandler();
 
   // Activate the top handler in the try hander chain and pass the
   // thrown value.
   void Throw(Register value);
 
   // Propagate an uncatchable exception out of the current JS stack.
   void ThrowUncatchable(Register value);
 
-  // Throw a message string as an exception.
-  void Throw(BailoutReason reason);
-
-  // Throw a message string as an exception if a condition is not true.
-  void ThrowIf(Condition cc, BailoutReason reason);
-
   // ---------------------------------------------------------------------------
   // Inline caching support
 
   // Generate code for checking access rights - used for security checks
   // on access to global objects across environments. The holder register
   // is left untouched, but the scratch register and kScratchRegister,
   // which must be different, are clobbered.
   void CheckAccessGlobalProxy(Register holder_reg,
                               Register scratch,
                               Label* miss);
@@ skipping 512 matching lines @@
     masm->popfq();                                                           \
   }                                                                          \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_