Use GPRs for mints

runtime/vm/intermediate_language.cc

 // Copyright (c) 2013, 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/intermediate_language.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/bit_vector.h"
 #include "vm/cpu.h"
 #include "vm/dart_entry.h"
@@ skipping 2331 matching lines @@
                       code_,
                       (outer_ == NULL) ? NULL : outer_->DeepCopy());
   if (locations_ != NULL) {
     Location* new_locations =
         Isolate::Current()->current_zone()->Alloc<Location>(length);
     copy->set_locations(new_locations);
   }
   for (intptr_t i = 0; i < length; ++i) {
     copy->values_.Add(values_[i]->Copy());
     if (locations_ != NULL) {
-      copy->locations_[i] = locations_[i];
+      copy->locations_[i] = locations_[i].Copy();
     }
   }
   return copy;
 }
 
 
 // Copies the environment and updates the environment use lists.
 void Environment::DeepCopyTo(Instruction* instr) const {
   for (Environment::DeepIterator it(instr->env()); !it.Done(); it.Advance()) {
     it.CurrentValue()->RemoveFromUseList();
@@ skipping 1061 matching lines @@
     case Token::kTRUNCDIV: return 0;
     case Token::kMOD: return 1;
     default: UNIMPLEMENTED(); return -1;
   }
 }
 
 
 #undef __
 
 }  // namespace dart