Streamline throwing in the C entry stub.

src/macro-assembler.h

 // Copyright 2012 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 18 matching lines @@
 #define V8_MACRO_ASSEMBLER_H_
 
 
 // Helper types to make boolean flag easier to read at call-site.
 enum InvokeFlag {
   CALL_FUNCTION,
   JUMP_FUNCTION
 };
 
 
-// Types of uncatchable exceptions.
-enum UncatchableExceptionType {
-  OUT_OF_MEMORY,
-  TERMINATION
-};
-
-
 // Invalid depth in prototype chain.
 const int kInvalidProtoDepth = -1;
 
 #if V8_TARGET_ARCH_IA32
 #include "assembler.h"
 #include "ia32/assembler-ia32.h"
 #include "ia32/assembler-ia32-inl.h"
 #include "code.h"  // must be after assembler_*.h
 #include "ia32/macro-assembler-ia32.h"
 #elif V8_TARGET_ARCH_X64
@@ skipping 98 matching lines @@
 class Comment {
  public:
   Comment(MacroAssembler*, const char*)  {}
 };
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_MACRO_ASSEMBLER_H_