Unify handling of position info in AST, part 3

src/hydrogen.cc

 // Copyright 2013 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 3764 matching lines @@
 
 
 void HOptimizedGraphBuilder::VisitDebuggerStatement(DebuggerStatement* stmt) {
   ASSERT(!HasStackOverflow());
   ASSERT(current_block() != NULL);
   ASSERT(current_block()->HasPredecessor());
   return Bailout(kDebuggerStatement);
 }
 
 
+void HOptimizedGraphBuilder::VisitCaseClause(CaseClause* clause) {
+  UNREACHABLE();
+}
+
+
 static Handle<SharedFunctionInfo> SearchSharedFunctionInfo(
     Code* unoptimized_code, FunctionLiteral* expr) {
   int start_position = expr->start_position();
   for (RelocIterator it(unoptimized_code); !it.done(); it.next()) {
     RelocInfo* rinfo = it.rinfo();
     if (rinfo->rmode() != RelocInfo::EMBEDDED_OBJECT) continue;
     Object* obj = rinfo->target_object();
     if (obj->IsSharedFunctionInfo()) {
       SharedFunctionInfo* shared = SharedFunctionInfo::cast(obj);
       if (shared->start_position() == start_position) {
@@ skipping 5885 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal