When strings can change from an ASCII representation to a...

src/jsregexp.cc

Index: src/jsregexp.cc
===================================================================
--- src/jsregexp.cc	(revision 1807)
+++ src/jsregexp.cc	(working copy)
@@ -429,7 +429,7 @@
 #else
     RegExpMacroAssemblerIA32::Result res;
     do {
-      bool is_ascii = StringShape(*subject).IsAsciiRepresentation();
+      bool is_ascii = subject->IsAsciiRepresentation();
       if (!EnsureCompiledIrregexp(jsregexp, is_ascii)) {
         return Handle<Object>::null();
       }
@@ -452,7 +452,7 @@
     rc = (res == RegExpMacroAssemblerIA32::SUCCESS);
 #endif
   } else {
-    bool is_ascii = StringShape(*subject).IsAsciiRepresentation();
+    bool is_ascii = subject->IsAsciiRepresentation();
     if (!EnsureCompiledIrregexp(jsregexp, is_ascii)) {
       return Handle<Object>::null();
     }