Check for empty repetitions.

src/regexp-macro-assembler-tracer.cc

 // Copyright 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 355 matching lines @@
 
 
 void RegExpMacroAssemblerTracer::IfRegisterLT(int register_index,
                                               int comparand, Label* if_lt) {
   PrintF(" IfRegisterLT(register=%d, number=%d, label[%08x]);\n",
          register_index, comparand, if_lt);
   assembler_->IfRegisterLT(register_index, comparand, if_lt);
 }
 
 
+void RegExpMacroAssemblerTracer::IfRegisterEqPos(int register_index,
+                                                 Label* if_eq) {
+  PrintF(" IfRegisterEqPos(register=%d, label[%08x]);\n",
+         register_index, if_eq);
+  assembler_->IfRegisterEqPos(register_index, if_eq);
+}
+
+
 void RegExpMacroAssemblerTracer::IfRegisterGE(int register_index,
                                               int comparand, Label* if_ge) {
   PrintF(" IfRegisterGE(register=%d, number=%d, label[%08x]);\n",
          register_index, comparand, if_ge);
   assembler_->IfRegisterGE(register_index, comparand, if_ge);
 }
 
 
 RegExpMacroAssembler::IrregexpImplementation
     RegExpMacroAssemblerTracer::Implementation() {
   return assembler_->Implementation();
 }
 
 
 Handle<Object> RegExpMacroAssemblerTracer::GetCode(Handle<String> source) {
   PrintF(" GetCode(%s);\n", *(source->ToCString()));
   return assembler_->GetCode(source);
 }
 
 }}  // namespace v8::internal