[turbofan] Renamed the ChangeFloat64ToInt64 operator to TruncateFloat64ToInt64.

test/cctest/compiler/test-run-machops.cc

Index: test/cctest/compiler/test-run-machops.cc
diff --git a/test/cctest/compiler/test-run-machops.cc b/test/cctest/compiler/test-run-machops.cc
index 2268ac5371a50a4b66c4b443213967143ec05385..9b6734ecfba0498f1cd1b6670cbbc889b6ce3629 100644
--- a/test/cctest/compiler/test-run-machops.cc
+++ b/test/cctest/compiler/test-run-machops.cc
@@ -5353,9 +5353,9 @@ TEST(RunBitcastFloat64ToInt64) {
 }
 
 
-TEST(RunChangeFloat64ToInt64) {
+TEST(RunTruncateFloat64ToInt64) {
   BufferedRawMachineAssemblerTester<int64_t> m(kMachFloat64);
-  m.Return(m.ChangeFloat64ToInt64(m.Parameter(0)));
+  m.Return(m.TruncateFloat64ToInt64(m.Parameter(0)));
 
   FOR_INT64_INPUTS(i) {
     double input = static_cast<double>(*i);