[turbofan] Renamed the ChangeFloat64ToInt64 operator to TruncateFloat64ToInt64.

src/compiler/instruction-selector.cc

Index: src/compiler/instruction-selector.cc
diff --git a/src/compiler/instruction-selector.cc b/src/compiler/instruction-selector.cc
index 75451f0d17eafb3e8df8c851ab24022a58a4f282..4bc205441258b7aa5c6c57fe9dce980849d9a951 100644
--- a/src/compiler/instruction-selector.cc
+++ b/src/compiler/instruction-selector.cc
@@ -813,8 +813,8 @@ void InstructionSelector::VisitNode(Node* node) {
       return MarkAsWord32(node), VisitChangeFloat64ToInt32(node);
     case IrOpcode::kChangeFloat64ToUint32:
       return MarkAsWord32(node), VisitChangeFloat64ToUint32(node);
-    case IrOpcode::kChangeFloat64ToInt64:
-      return MarkAsWord64(node), VisitChangeFloat64ToInt64(node);
+    case IrOpcode::kTruncateFloat64ToInt64:
+      return MarkAsWord64(node), VisitTruncateFloat64ToInt64(node);
     case IrOpcode::kTruncateFloat64ToUint64:
       return MarkAsWord64(node), VisitTruncateFloat64ToUint64(node);
     case IrOpcode::kChangeInt32ToInt64:
@@ -1057,7 +1057,7 @@ void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
 }
 
 
-void InstructionSelector::VisitChangeFloat64ToInt64(Node* node) {
+void InstructionSelector::VisitTruncateFloat64ToInt64(Node* node) {
   UNIMPLEMENTED();
 }