Merge revision 6500-6600 from bleeding_edge to the isolates branch.

src/parser.h

Index: src/parser.h
===================================================================
--- src/parser.h	(revision 7030)
+++ src/parser.h	(working copy)
@@ -618,6 +618,11 @@
                                            bool* is_set,
                                            bool* ok);
 
+  // Strict mode validation of LValue expressions
+  void CheckStrictModeLValue(Expression* expression,
+                             const char* error,
+                             bool* ok);
+
   // Strict mode octal literal validation.
   void CheckOctalLiteral(int beg_pos, int end_pos, bool* ok);