Fix a crash in Meteor, debug mode. BitAnd instruction cannot deoptimize, therefore does not allow a…

runtime/vm/flow_graph_optimizer.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/flow_graph_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 214 matching lines @@
 
   // Pattern recognized.
   smi_shift_left->set_is_truncating(true);
   ASSERT(bit_and_instr->IsBinarySmiOp() || bit_and_instr->IsBinaryMintOp());
   if (bit_and_instr->IsBinaryMintOp()) {
     // Replace Mint op with Smi op.
     BinarySmiOpInstr* smi_op = new BinarySmiOpInstr(
         Token::kBIT_AND,
         new Value(left_instr),
         new Value(right_instr),
-        bit_and_instr->deopt_id());
+        Isolate::kNoDeoptId);  // BIT_AND cannot deoptimize.
     bit_and_instr->ReplaceWith(smi_op, current_iterator());
   }
 }
 
 
 // Optimize (a << b) & c pattern: if c is a positive Smi or zero, then the
 // shift can be a truncating Smi shift-left and result is always Smi.
 void FlowGraphOptimizer::TryOptimizeLeftShiftWithBitAndPattern() {
   if (!FLAG_truncating_left_shift) return;
   ASSERT(current_iterator_ == NULL);
@@ skipping 6995 matching lines @@
 
   // Insert materializations at environment uses.
   const Class& cls = Class::Handle(alloc->constructor().Owner());
   for (intptr_t i = 0; i < exits.length(); i++) {
     CreateMaterializationAt(exits[i], alloc, cls, *fields);
   }
 }
 
 
 }  // namespace dart