Cleaned up deopt reason messages a bit.

src/code-stubs-hydrogen.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 870 matching lines @@
 
 template<>
 HValue* CodeStubGraphBuilder<ElementsTransitionAndStoreStub>::BuildCodeStub() {
   HValue* value = GetParameter(0);
   HValue* map = GetParameter(1);
   HValue* key = GetParameter(2);
   HValue* object = GetParameter(3);
 
   if (FLAG_trace_elements_transitions) {
     // Tracing elements transitions is the job of the runtime.
-    Add<HDeoptimize>("Deopt due to --trace-elements-transitions",
-                     Deoptimizer::EAGER);
+    Add<HDeoptimize>("Tracing elements transitions", Deoptimizer::EAGER);
   } else {
     info()->MarkAsSavesCallerDoubles();
 
     BuildTransitionElementsKind(object, map,
                                 casted_stub()->from_kind(),
                                 casted_stub()->to_kind(),
                                 casted_stub()->is_jsarray());
 
     BuildUncheckedMonomorphicElementAccess(object, key, value,
                                            casted_stub()->is_jsarray(),
@@ skipping 195 matching lines @@
   return js_function;
 }
 
 
 Handle<Code> FastNewClosureStub::GenerateCode(Isolate* isolate) {
   return DoGenerateCode(isolate, this);
 }
 
 
 } }  // namespace v8::internal