Ensure that we do not accidentally emit debug code.

src/arm/macro-assembler-arm.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 1183 matching lines @@
   // Jump if either of the registers contain a non-smi.
   inline void JumpIfNotSmi(Register value, Label* not_smi_label) {
     tst(value, Operand(kSmiTagMask));
     b(ne, not_smi_label);
   }
   // Jump if either of the registers contain a non-smi.
   void JumpIfNotBothSmi(Register reg1, Register reg2, Label* on_not_both_smi);
   // Jump if either of the registers contain a smi.
   void JumpIfEitherSmi(Register reg1, Register reg2, Label* on_either_smi);
 
-  // Abort execution if argument is a smi. Used in debug code.
-  void AbortIfSmi(Register object);
-  void AbortIfNotSmi(Register object);
+  // Abort execution if argument is a smi, enabled via --debug-code.
+  void AssertNotSmi(Register object);
+  void AssertSmi(Register object);
 
-  // Abort execution if argument is a string. Used in debug code.
-  void AbortIfNotString(Register object);
+  // Abort execution if argument is a string, enabled via --debug-code.
+  void AssertString(Register object);
 
-  // Abort execution if argument is not the root value with the given index.
-  void AbortIfNotRootValue(Register src,
-                           Heap::RootListIndex root_value_index,
-                           const char* message);
+  // Abort execution if argument is not the root value with the given index,
+  // enabled via --debug-code.
+  void AssertRootValue(Register src,
+                       Heap::RootListIndex root_value_index,
+                       const char* message);
 
   // ---------------------------------------------------------------------------
   // HeapNumber utilities
 
   void JumpIfNotHeapNumber(Register object,
                            Register heap_number_map,
                            Register scratch,
                            Label* on_not_heap_number);
 
   // ---------------------------------------------------------------------------
@@ skipping 177 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_