New try: Parser: Delay internalizing strings and values

src/variables.cc

Index: src/variables.cc
diff --git a/src/variables.cc b/src/variables.cc
index 906b6ab7d58cad2d8b7cffe351c4eb41c8d8f655..301393849740b3242ec9fa7d4c5198d58cf9c34c 100644
--- a/src/variables.cc
+++ b/src/variables.cc
@@ -33,7 +33,7 @@ const char* Variable::Mode2String(VariableMode mode) {
 
 
 Variable::Variable(Scope* scope,
-                   Handle<String> name,
+                   const AstRawString* name,
                    VariableMode mode,
                    bool is_valid_ref,
                    Kind kind,
@@ -52,8 +52,6 @@ Variable::Variable(Scope* scope,
     is_used_(false),
     initialization_flag_(initialization_flag),
     interface_(interface) {
-  // Names must be canonicalized for fast equality checks.
-  ASSERT(name->IsInternalizedString());
   // Var declared variables never need initialization.
   ASSERT(!(mode == VAR && initialization_flag == kNeedsInitialization));
 }