Do not serialize non-lazy compiled function literals.

src/compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/compiler.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 894 matching lines @@
   Handle<Script> script = info->script();
 
   // TODO(svenpanne) Obscure place for this, perhaps move to OnBeforeCompile?
   FixedArray* array = isolate->native_context()->embedder_data();
   script->set_context_data(array->get(0));
 
   isolate->debug()->OnBeforeCompile(script);
 
   DCHECK(info->is_eval() || info->is_global());
 
+  info->MarkAsToplevel();
+
   Handle<SharedFunctionInfo> result;
 
   { VMState<COMPILER> state(info->isolate());
     if (info->function() == NULL) {
       // Parse the script if needed (if it's already parsed, function() is
       // non-NULL).
       bool parse_allow_lazy =
           (info->compile_options() == ScriptCompiler::kConsumeParserCache ||
            String::cast(script->source())->length() >
                FLAG_min_preparse_length) &&
@@ skipping 246 matching lines @@
   // if a function uses the special natives syntax, which is something the
   // parser records.
   // If the debugger requests compilation for break points, we cannot be
   // aggressive about lazy compilation, because it might trigger compilation
   // of functions without an outer context when setting a breakpoint through
   // Debug::FindSharedFunctionInfoInScript.
   bool allow_lazy_without_ctx = literal->AllowsLazyCompilationWithoutContext();
   bool allow_lazy = literal->AllowsLazyCompilation() &&
       !DebuggerWantsEagerCompilation(&info, allow_lazy_without_ctx);
 
+
+  if (outer_info->is_toplevel() && outer_info->will_serialize()) {
+    // Make sure that if the toplevel code (possibly to be serialized),
+    // the inner unction must be allowed to be compiled lazily.
+    DCHECK(allow_lazy);
+  }
+
   // Generate code
   Handle<ScopeInfo> scope_info;
   if (FLAG_lazy && allow_lazy && !literal->is_parenthesized()) {
     Handle<Code> code = isolate->builtins()->CompileLazy();
     info.SetCode(code);
     scope_info = Handle<ScopeInfo>(ScopeInfo::Empty(isolate));
   } else if (FullCodeGenerator::MakeCode(&info)) {
     DCHECK(!info.code().is_null());
     scope_info = ScopeInfo::Create(info.scope(), info.zone());
   } else {
@@ skipping 260 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       base::OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal