Fix code flusher disabling while marking incrementally.

src/mark-compact.cc

 // Copyright 2012 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 1086 matching lines @@
         break;
       }
 
       candidate = next_candidate;
     }
   }
 }
 
 
 void CodeFlusher::EvictJSFunctionCandidates() {
-  Object* undefined = isolate_->heap()->undefined_value();
-
   JSFunction* candidate = jsfunction_candidates_head_;
   JSFunction* next_candidate;
   while (candidate != NULL) {
     next_candidate = GetNextCandidate(candidate);
-    ClearNextCandidate(candidate, undefined);
+    EvictCandidate(candidate);
     candidate = next_candidate;
   }
-
-  jsfunction_candidates_head_ = NULL;
+  ASSERT(jsfunction_candidates_head_ == NULL);
 }
 
 
 void CodeFlusher::EvictSharedFunctionInfoCandidates() {
   SharedFunctionInfo* candidate = shared_function_info_candidates_head_;
   SharedFunctionInfo* next_candidate;
   while (candidate != NULL) {
     next_candidate = GetNextCandidate(candidate);
-    ClearNextCandidate(candidate);
+    EvictCandidate(candidate);
     candidate = next_candidate;
   }
-
-  shared_function_info_candidates_head_ = NULL;
+  ASSERT(shared_function_info_candidates_head_ == NULL);
 }
 
 
 void CodeFlusher::IteratePointersToFromSpace(ObjectVisitor* v) {
   Heap* heap = isolate_->heap();
 
   JSFunction** slot = &jsfunction_candidates_head_;
   JSFunction* candidate = jsfunction_candidates_head_;
   while (candidate != NULL) {
     if (heap->InFromSpace(candidate)) {
@@ skipping 2931 matching lines @@
   while (buffer != NULL) {
     SlotsBuffer* next_buffer = buffer->next();
     DeallocateBuffer(buffer);
     buffer = next_buffer;
   }
   *buffer_address = NULL;
 }
 
 
 } }  // namespace v8::internal