Merge V8 5.3.332.45.  DO NOT MERGE

Test: Manual

FPIIM-449

Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/src/compiler/s390/instruction-scheduler-s390.cc b/src/compiler/s390/instruction-scheduler-s390.cc
index d187227..5b9722e 100644
--- a/src/compiler/s390/instruction-scheduler-s390.cc
+++ b/src/compiler/s390/instruction-scheduler-s390.cc
@@ -104,6 +104,7 @@
     case kS390_Float32ToUint32:
     case kS390_Float32ToUint64:
     case kS390_Float32ToDouble:
+    case kS390_Float64SilenceNaN:
     case kS390_DoubleToInt32:
     case kS390_DoubleToUint32:
     case kS390_Float32ToInt64: