Remove RELEASE_NOTREACHED().

third_party/WebKit/Source/platform/heap/ThreadState.cpp

 /*
  * Copyright (C) 2013 Google Inc. 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
@@ skipping 895 matching lines @@
   if (isSweepingInProgress()) {
     setGCState(SweepingAndPreciseGCScheduled);
     return;
   }
 
   setGCState(PreciseGCScheduled);
 }
 
 namespace {
 
-#define UNEXPECTED_GCSTATE(s)                                             \
-  case ThreadState::s:                                                    \
-    RELEASE_NOTREACHED() << "Unexpected transition while in GCState " #s; \
+#define UNEXPECTED_GCSTATE(s)                                   \
+  case ThreadState::s:                                          \
+    LOG(FATAL) << "Unexpected transition while in GCState " #s; \
     return
 
 void unexpectedGCState(ThreadState::GCState gcState) {
   switch (gcState) {
     UNEXPECTED_GCSTATE(NoGCScheduled);
     UNEXPECTED_GCSTATE(IdleGCScheduled);
     UNEXPECTED_GCSTATE(PreciseGCScheduled);
     UNEXPECTED_GCSTATE(FullGCScheduled);
     UNEXPECTED_GCSTATE(GCRunning);
     UNEXPECTED_GCSTATE(EagerSweepScheduled);
@@ skipping 896 matching lines @@
     collectGarbage(BlinkGC::NoHeapPointersOnStack, BlinkGC::GCWithSweep,
                    BlinkGC::ForcedGC);
     size_t liveObjects = heap().heapStats().markedObjectSize();
     if (liveObjects == previousLiveObjects)
       break;
     previousLiveObjects = liveObjects;
   }
 }
 
 }  // namespace blink