Reland "Flush parallel recompilation queues on context dispose notification."

src/objects.cc

 // Copyright 2013 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 9216 matching lines @@
   v->VisitCodeEntry(this->address() + kCodeEntryOffset);
   IteratePointers(v, kCodeEntryOffset + kPointerSize, object_size);
 }
 
 
 void JSFunction::MarkForLazyRecompilation() {
   ASSERT(is_compiled() || GetIsolate()->DebuggerHasBreakPoints());
   ASSERT(!IsOptimized());
   ASSERT(shared()->allows_lazy_compilation() ||
          code()->optimizable());
+  ASSERT(!shared()->is_generator());
   set_code_no_write_barrier(
       GetIsolate()->builtins()->builtin(Builtins::kLazyRecompile));
   // No write barrier required, since the builtin is part of the root set.
 }
 
 
 void JSFunction::MarkForParallelRecompilation() {
   ASSERT(is_compiled() || GetIsolate()->DebuggerHasBreakPoints());
   ASSERT(!IsOptimized());
   ASSERT(shared()->allows_lazy_compilation() || code()->optimizable());
-  if (!FLAG_parallel_recompilation) {
-    JSFunction::MarkForLazyRecompilation();
-    return;
-  }
+  ASSERT(!shared()->is_generator());
+  ASSERT(FLAG_parallel_recompilation);
   if (FLAG_trace_parallel_recompilation) {
     PrintF("  ** Marking ");
     PrintName();
     PrintF(" for parallel recompilation.\n");
   }
   set_code_no_write_barrier(
       GetIsolate()->builtins()->builtin(Builtins::kParallelRecompile));
   // No write barrier required, since the builtin is part of the root set.
 }
 
@@ skipping 6711 matching lines @@
 
 void PropertyCell::AddDependentCode(Handle<Code> code) {
   Handle<DependentCode> codes = DependentCode::Insert(
       Handle<DependentCode>(dependent_code()),
       DependentCode::kPropertyCellChangedGroup, code);
   if (*codes != dependent_code()) set_dependent_code(*codes);
 }
 
 
 } }  // namespace v8::internal