[wasm] Int64Lowering of FXXXConvertI64 instructions.

src/compiler/int64-lowering.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_COMPILER_INT64_REDUCER_H_
-#define V8_COMPILER_INT64_REDUCER_H_
+#ifndef V8_COMPILER_INT64_LOWERING_H_
+#define V8_COMPILER_INT64_LOWERING_H_
 
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node-marker.h"
 #include "src/zone-containers.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 38 matching lines @@
   NodeMarker<State> state_;
   ZoneStack<Node*> stack_;
   Replacement* replacements_;
   Signature<MachineRepresentation>* signature_;
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_COMPILER_INT64_REDUCER_H_
+#endif  // V8_COMPILER_INT64_LOWERING_H_