[turbofan] Don't introduce additional computation when hoisting out of loops.

test/unittests/compiler/scheduler-unittest.cc

Index: test/unittests/compiler/scheduler-unittest.cc
diff --git a/test/unittests/compiler/scheduler-unittest.cc b/test/unittests/compiler/scheduler-unittest.cc
index afca98ca9b1fb109d0502886eeefea5dad168838..9ff6a63998b8eaa423cfe75c4879376b21baf757 100644
--- a/test/unittests/compiler/scheduler-unittest.cc
+++ b/test/unittests/compiler/scheduler-unittest.cc
@@ -1579,10 +1579,7 @@ TEST_F(SchedulerTest, BuildScheduleSimpleLoopWithCodeMotion) {
   graph()->SetStart(n0);
   graph()->SetEnd(n22);
 
-  Schedule* schedule = ComputeAndVerifySchedule(19);
-  // Make sure the integer-only add gets hoisted to a different block that the
-  // JSAdd.
-  EXPECT_NE(schedule->block(n19), schedule->block(n20));
+  ComputeAndVerifySchedule(19);
 }