Debugger: fix crash when debugger is enabled between parsing and compiling.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index fc6760d3f26386b8a23cb09316dbf78a5b17de30..c76072691b2cfeac9a1578ff7fde13428d2e8453 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1333,8 +1333,10 @@ Handle<SharedFunctionInfo> Compiler::CompileStreamedScript(
       static_cast<LanguageMode>(parse_info->language_mode() | language_mode));
 
   CompilationInfo compile_info(parse_info);
-  // TODO(marja): FLAG_serialize_toplevel is not honoured and won't be; when the
-  // real code caching lands, streaming needs to be adapted to use it.

[Yang, 2015/07/21 08:40:40]

For the current strategy used in Chrome this is not necessary. We never produce
code cache on first parse/compile anyways. Instead of set a time stamp to
support code caching decision at a later time.

+
+  // If compiling for debugging, parse eagerly from scratch.
+  if (compile_info.is_debug()) parse_info->set_literal(NULL);
+
   return CompileToplevel(&compile_info);
 }