Don't preparse large files to find boundaries of lazy functions.

src/liveedit.cc

 // Copyright 2011 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 584 matching lines @@
 }
 
 
 static void CompileScriptForTracker(Isolate* isolate, Handle<Script> script) {
   // TODO(635): support extensions.
   PostponeInterruptsScope postpone(isolate);
 
   // Build AST.
   CompilationInfo info(script);
   info.MarkAsGlobal();
-  if (ParserApi::Parse(&info)) {
+  // Parse and don't allow skipping lazy functions.
+  if (ParserApi::Parse(&info, kNoParsingFlags)) {
     // Compile the code.
     LiveEditFunctionTracker tracker(info.isolate(), info.function());
     if (Compiler::MakeCodeForLiveEdit(&info)) {
       ASSERT(!info.code().is_null());
       tracker.RecordRootFunctionInfo(info.code());
     } else {
       info.isolate()->StackOverflow();
     }
   }
 }
@@ skipping 1148 matching lines @@
 
 bool LiveEditFunctionTracker::IsActive(Isolate* isolate) {
   return false;
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 
 
 } }  // namespace v8::internal