Make not sucking at regexp the default...

src/arm/regexp-macro-assembler-arm.h

Index: src/arm/regexp-macro-assembler-arm.h
===================================================================
--- src/arm/regexp-macro-assembler-arm.h	(revision 4367)
+++ src/arm/regexp-macro-assembler-arm.h	(working copy)
@@ -32,14 +32,14 @@
 namespace internal {
 
 
-#ifndef V8_NATIVE_REGEXP
+#ifdef V8_INTERPRETED_REGEXP
 class RegExpMacroAssemblerARM: public RegExpMacroAssembler {
  public:
   RegExpMacroAssemblerARM();
   virtual ~RegExpMacroAssemblerARM();
 };
 
-#else
+#else  // V8_INTERPRETED_REGEXP
 class RegExpMacroAssemblerARM: public NativeRegExpMacroAssembler {
  public:
   RegExpMacroAssemblerARM(Mode mode, int registers_to_save);
@@ -274,7 +274,7 @@
   const char* GetName() { return "RegExpCEntryStub"; }
 };
 
-#endif  // V8_NATIVE_REGEXP
+#endif  // V8_INTERPRETED_REGEXP
 
 
 }}  // namespace v8::internal