Reenable elimination of strict equals when right side is true.

runtime/vm/flow_graph.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/flow_graph.h"
 
 #include "vm/bit_vector.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/intermediate_language.h"
 #include "vm/longjump.h"
@@ skipping 322 matching lines @@
       ASSERT(input_value->IsUse());
       env->RemoveLast();
 
       BindInstr* as_bind = v->AsUse()->definition()->AsBind();
       if ((as_bind != NULL) &&
           (as_bind->computation()->IsLoadLocal() ||
            as_bind->computation()->IsStoreLocal())) {
         // Assert exactly one use.
         ASSERT(as_bind->use_list() == v);
         ASSERT(as_bind->use_list()->next_use() == NULL);
-        // Remove the use, its defintion and copy the environment value.
+        // Remove the use, its definition and copy the environment value.
         v->RemoveFromUseList();
         as_bind->RemoveFromGraph();
         current->SetInputAt(i, CopyValue(input_value));
       }
     }
 
     // Drop pushed arguments for calls.
     for (intptr_t j = 0; j < current->ArgumentCount(); j++) {
       env->RemoveLast();
     }
@@ skipping 105 matching lines @@
   intptr_t len = OS::SNPrint(NULL, 0, kFormat, function_name, reason) + 1;
   char* chars = Isolate::Current()->current_zone()->Alloc<char>(len);
   OS::SNPrint(chars, len, kFormat, function_name, reason);
   const Error& error = Error::Handle(
       LanguageError::New(String::Handle(String::New(chars))));
   Isolate::Current()->long_jump_base()->Jump(1, error);
 }
 
 
 }  // namespace dart