Added first support for tracking locations of expressions in the...

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 481 matching lines @@
   BAILOUT("Declaration");
 }
 
 
 void CodeGenSelector::VisitBlock(Block* stmt) {
   BAILOUT("Block");
 }
 
 
 void CodeGenSelector::VisitExpressionStatement(ExpressionStatement* stmt) {
-  Visit(stmt->expression());
+  Expression* expr = stmt->expression();
+  Visit(expr);
+  CHECK_BAILOUT;
+  expr->set_location(Location::Nowhere());
 }
 
 
 void CodeGenSelector::VisitEmptyStatement(EmptyStatement* stmt) {
   BAILOUT("EmptyStatement");
 }
 
 
 void CodeGenSelector::VisitIfStatement(IfStatement* stmt) {
   BAILOUT("IfStatement");
@@ skipping 192 matching lines @@
 
 void CodeGenSelector::VisitThisFunction(ThisFunction* expr) {
   BAILOUT("ThisFunction");
 }
 
 #undef BAILOUT
 #undef CHECK_BAILOUT
 
 
 } }  // namespace v8::internal