Lazy preparsing vs. lazy parsing fix.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index d466778069b19f22b58008507702e0d6fadc3e0a..743d3336881a760894a6fabfe0a0855d86508b93 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -789,6 +789,13 @@ static Handle<SharedFunctionInfo> CompileToplevel(CompilationInfo* info) {
        String::cast(script->source())->length() > FLAG_min_preparse_length) &&
       !DebuggerWantsEagerCompilation(info);
 
+  if (!parse_allow_lazy && info->pre_parse_data() != NULL) {
+    // We are going to parse eagerly, but we have preparse data produced by lazy
+    // preparsing. We cannot use it, since it won't contain all the symbols we
+    // need for eager parsing.
+    info->SetPreParseData(NULL);
+  }
+
   Handle<SharedFunctionInfo> result;
 
   { VMState<COMPILER> state(info->isolate());