Remove a few occurrences of the CHECK_FAILED macro in the parser....

src/parser.cc

 // Copyright 2006-2008 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 3913 matching lines @@
       break;
     }
     case '|': {
       Advance();
       builder->NewAlternative();
       continue;
     }
     case '*':
     case '+':
     case '?':
-      ReportError(CStrVector("Nothing to repeat") CHECK_FAILED);
+      return ReportError(CStrVector("Nothing to repeat"));
     case '^': {
       Advance();
       if (multiline_) {
         builder->AddAssertion(
             new RegExpAssertion(RegExpAssertion::START_OF_LINE));
       } else {
         builder->AddAssertion(
             new RegExpAssertion(RegExpAssertion::START_OF_INPUT));
         set_contains_anchor();
       }
@@ skipping 54 matching lines @@
     case '[': {
       RegExpTree* atom = ParseCharacterClass(CHECK_FAILED);
       builder->AddAtom(atom);
       break;
     }
     // Atom ::
     //   \ AtomEscape
     case '\\':
       switch (Next()) {
       case kEndMarker:
-        ReportError(CStrVector("\\ at end of pattern") CHECK_FAILED);
+        return ReportError(CStrVector("\\ at end of pattern"));
       case 'b':
         Advance(2);
         builder->AddAssertion(
             new RegExpAssertion(RegExpAssertion::BOUNDARY));
         continue;
       case 'B':
         Advance(2);
         builder->AddAssertion(
             new RegExpAssertion(RegExpAssertion::NON_BOUNDARY));
         continue;
@@ skipping 466 matching lines @@
   ASSERT_EQ(0, *char_class);
   uc32 first = current();
   if (first == '\\') {
     switch (Next()) {
       case 'w': case 'W': case 'd': case 'D': case 's': case 'S': {
         *char_class = Next();
         Advance(2);
         return CharacterRange::Singleton(0);  // Return dummy value.
       }
       case kEndMarker:
-        ReportError(CStrVector("\\ at end of pattern") CHECK_FAILED);
+        return ReportError(CStrVector("\\ at end of pattern"));
       default:
         uc32 c = ParseClassCharacterEscape(CHECK_FAILED);
         return CharacterRange::Singleton(c);
     }
   } else {
     Advance();
     return CharacterRange::Singleton(first);
   }
 }
 
@@ skipping 172 matching lines @@
                        start_position,
                        is_expression);
   return result;
 }
 
 
 #undef NEW
 
 
 } }  // namespace v8::internal