Recognize in the fast-mode code generator when a subexpression is a...

src/compiler.cc

 // Copyright 2009 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 596 matching lines @@
 
 void CodeGenSelector::VisitVariableProxy(VariableProxy* expr) {
   Expression* rewrite = expr->var()->rewrite();
   if (rewrite == NULL) BAILOUT("global variable reference");
   Visit(rewrite);
 }
 
 
 void CodeGenSelector::VisitLiteral(Literal* expr) {
   // All literals are supported.
+  expr->set_location(Location::Constant());
 }
 
 
 void CodeGenSelector::VisitRegExpLiteral(RegExpLiteral* expr) {
   BAILOUT("RegExpLiteral");
 }
 
 
 void CodeGenSelector::VisitObjectLiteral(ObjectLiteral* expr) {
   BAILOUT("ObjectLiteral");
@@ skipping 81 matching lines @@
 
 void CodeGenSelector::VisitThisFunction(ThisFunction* expr) {
   BAILOUT("ThisFunction");
 }
 
 #undef BAILOUT
 #undef CHECK_BAILOUT
 
 
 } }  // namespace v8::internal