Fix regressions triggered by map invalidation during graph creation.

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 47d459a28206252581c9d4c35a2b0f42228864e8..d95514bcd67a740d04d17f30adb68bd301a14021 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -298,11 +298,15 @@ class CompilationInfo {
   }
 
   void AbortDueToDependencyChange() {
-    mode_ = DEPENDENCY_CHANGE_ABORT;
+    ASSERT(!FLAG_parallel_recompilation ||
+           !isolate()->optimizing_compiler_thread()->IsOptimizerThread());

[Jakob Kummerow, 2013/08/12 13:48:24]

IsOptimizerThread contains "if (!FLAG_parallel_recompilation) return false;", so
you don't need the || here.

+    abort_due_to_map_dependency_ = true;

[Jakob Kummerow, 2013/08/12 13:48:24]

naming nit: could be any dependency change, not just a map.

   }
 
   bool HasAbortedDueToDependencyChange() {
-    return mode_ == DEPENDENCY_CHANGE_ABORT;
+    ASSERT(!FLAG_parallel_recompilation ||
+           !isolate()->optimizing_compiler_thread()->IsOptimizerThread());
+    return abort_due_to_map_dependency_;
   }
 
  protected:
@@ -326,8 +330,7 @@ class CompilationInfo {
     BASE,
     OPTIMIZE,
     NONOPT,
-    STUB,
-    DEPENDENCY_CHANGE_ABORT
+    STUB
   };
 
   void Initialize(Isolate* isolate, Mode mode, Zone* zone);
@@ -401,6 +404,9 @@ class CompilationInfo {
   Mode mode_;
   BailoutId osr_ast_id_;
 
+  // Flag whether compilation needs to be aborted due to map dependency.
+  bool abort_due_to_map_dependency_;
+
   // The zone from which the compilation pipeline working on this
   // CompilationInfo allocates.
   Zone* zone_;