Regexp: Improve the speed that we scan for an initial point where a non-anchored

test/cctest/test-regexp.cc

Index: test/cctest/test-regexp.cc
===================================================================
--- test/cctest/test-regexp.cc	(revision 11190)
+++ test/cctest/test-regexp.cc	(working copy)
@@ -504,7 +504,10 @@
     return NULL;
   Handle<String> pattern = isolate->factory()->
       NewStringFromUtf8(CStrVector(input));
-  RegExpEngine::Compile(&compile_data, false, multiline, pattern, is_ascii);
+  Handle<String> sample_subject =
+      isolate->factory()->NewStringFromUtf8(CStrVector(""));
+  RegExpEngine::Compile(
+      &compile_data, false, multiline, pattern, sample_subject, is_ascii);
   return compile_data.node;
 }