Step next should respect do/while condition block.

src/codegen.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 413 matching lines @@
 
 void CodeGenerator::CodeForReturnPosition(FunctionLiteral* fun) {
   if (FLAG_debug_info) RecordPositions(masm(), fun->end_position());
 }
 
 
 void CodeGenerator::CodeForStatementPosition(Statement* stmt) {
   if (FLAG_debug_info) RecordPositions(masm(), stmt->statement_pos());
 }
 
+void CodeGenerator::CodeForDoWhileConditionPosition(DoWhileStatement* stmt) {
+  if (FLAG_debug_info) RecordPositions(masm(), stmt->condition_position());
+}
 
 void CodeGenerator::CodeForSourcePosition(int pos) {
   if (FLAG_debug_info && pos != RelocInfo::kNoPosition) {
     masm()->RecordPosition(pos);
   }
 }
 
 
 const char* RuntimeStub::GetName() {
   return Runtime::FunctionForId(id_)->stub_name;
@@ skipping 27 matching lines @@
   }
 }
 
 
 void ApiGetterEntryStub::SetCustomCache(Code* value) {
   info()->set_load_stub_cache(value);
 }
 
 
 } }  // namespace v8::internal