Remove now unused BinaryMintOp from the IL.

runtime/vm/intermediate_language.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/intermediate_language.h"
 
 #include "vm/bit_vector.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_allocator.h"
 #include "vm/flow_graph_builder.h"
@@ skipping 1187 matching lines @@
     case Token::kBIT_AND:
     case Token::kBIT_OR:
     case Token::kBIT_XOR:
       return false;
     default:
       return overflow_;
   }
 }
 
 
-RawAbstractType* BinaryMintOpInstr::CompileType() const {
-  return Type::MintType();
-}
-
-
-intptr_t BinaryMintOpInstr::ResultCid() const {
-  return kMintCid;
-}
-
-
 RawAbstractType* UnboxedMintBinaryOpInstr::CompileType() const {
   return Type::IntType();
 }
 
 
 intptr_t UnboxedMintBinaryOpInstr::ResultCid() const {
   return kDynamicCid;
 }
 
 
@@ skipping 838 matching lines @@
     new_max = new_max.Clamp();
   }
 
   return Range::Update(&range_, new_min, new_max);
 }
 
 
 #undef __
 
 }  // namespace dart