Don't compile inner functions when compiling via the dispatcher

test/unittests/compiler-dispatcher/compiler-dispatcher-job-unittest.cc

 // Copyright 2016 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 <memory>
 
 #include "include/v8.h"
 #include "src/api.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
@@ skipping 305 matching lines @@
   V8::GetCurrentPlatform()->CallOnBackgroundThread(background_task,
                                                    Platform::kShortRunningTask);
   semaphore.Wait();
   ASSERT_TRUE(job->FinalizeCompilingOnMainThread());
   ASSERT_TRUE(job->status() == CompileJobStatus::kDone);
 
   job->ResetOnMainThread();
   ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
 }
 
+TEST_F(CompilerDispatcherJobTest, LazyInnerFunctions) {
+  const char script[] =
+      "function g() {\n"
+      "  f = function() {\n"
+      "    e = (function() { return 42; });\n"
+      "    return e;\n"
+      "  };\n"
+      "  return f;\n"
+      "}\n"
+      "g();";
+  Handle<JSFunction> f = Handle<JSFunction>::cast(RunJS(isolate(), script));
+
+  std::unique_ptr<CompilerDispatcherJob> job(new CompilerDispatcherJob(
+      i_isolate(), tracer(), handle(f->shared()), FLAG_stack_size));
+
+  job->PrepareToParseOnMainThread();
+  job->Parse();
+  ASSERT_TRUE(job->FinalizeParsingOnMainThread());
+  ASSERT_TRUE(job->PrepareToCompileOnMainThread());
+  job->Compile();
+  ASSERT_TRUE(job->FinalizeCompilingOnMainThread());
+  ASSERT_TRUE(job->status() == CompileJobStatus::kDone);
+
+  Handle<JSFunction> e = Handle<JSFunction>::cast(RunJS(isolate(), "f();"));
+
+  ASSERT_FALSE(e->shared()->HasBaselineCode());
+
+  job->ResetOnMainThread();
+  ASSERT_TRUE(job->status() == CompileJobStatus::kInitial);
+}
+
 }  // namespace internal
 }  // namespace v8