Use same range info when emitting code and computing if instruction can deopt.

runtime/vm/il_printer.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/il_printer.h"
 
 #include "vm/flow_graph_range_analysis.h"
 #include "vm/intermediate_language.h"
 #include "vm/os.h"
 #include "vm/parser.h"
@@ skipping 723 matching lines @@
   }
 }
 
 
 void MathUnaryInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("'%s', ", MathUnaryInstr::KindToCString(kind()));
   value()->PrintTo(f);
 }
 
 
-void MergedMathInstr::PrintOperandsTo(BufferFormatter* f) const {
-  f->Print("'%s', ", MergedMathInstr::KindToCString(kind()));
+void TruncDivModInstr::PrintOperandsTo(BufferFormatter* f) const {
   Definition::PrintOperandsTo(f);
 }
 
 
 void ExtractNthOutputInstr::PrintOperandsTo(BufferFormatter* f) const {
   f->Print("Extract %" Pd " from ", index());
   Definition::PrintOperandsTo(f);
 }
 
 
@@ skipping 629 matching lines @@
 }
 
 
 bool FlowGraphPrinter::ShouldPrint(const Function& function) {
   return false;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart