[vm] Rename *MintOp to *Int64Op to emphasis that they operate on unboxed values.

runtime/vm/flow_graph_range_analysis.h

 // Copyright (c) 2014, 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.
 
 #ifndef RUNTIME_VM_FLOW_GRAPH_RANGE_ANALYSIS_H_
 #define RUNTIME_VM_FLOW_GRAPH_RANGE_ANALYSIS_H_
 
 #include "vm/flow_graph.h"
 #include "vm/intermediate_language.h"
 
@@ skipping 566 matching lines @@
   FlowGraph* flow_graph_;
 
   // Range object representing full Smi range.
   Range smi_range_;
 
   Range int64_range_;
 
   // Value that are known to be smi or mint.
   GrowableArray<Definition*> values_;
 
-  GrowableArray<BinaryMintOpInstr*> binary_mint_ops_;
+  GrowableArray<BinaryInt64OpInstr*> binary_int64_ops_;
 
-  GrowableArray<ShiftMintOpInstr*> shift_mint_ops_;
+  GrowableArray<ShiftInt64OpInstr*> shift_int64_ops_;
 
   // All CheckArrayBound instructions.
   GrowableArray<CheckArrayBoundInstr*> bounds_checks_;
 
   // All Constraints inserted during InsertConstraints phase. They are treated
   // as smi values.
   GrowableArray<ConstraintInstr*> constraints_;
 
   // List of integer (smi or mint) definitions including constraints sorted
   // in the reverse postorder.
@@ skipping 26 matching lines @@
   GrowableArray<Definition*> potential_uint32_defs_;
   BitVector* selected_uint32_defs_;
 
   FlowGraph* flow_graph_;
   Zone* zone_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_FLOW_GRAPH_RANGE_ANALYSIS_H_