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-codes-s390.h b/src/compiler/s390/instruction-codes-s390.h
index a54b2ed..b53136c 100644
--- a/src/compiler/s390/instruction-codes-s390.h
+++ b/src/compiler/s390/instruction-codes-s390.h
@@ -107,6 +107,7 @@
   V(S390_Float32ToInt32)           \
   V(S390_Float32ToUint32)          \
   V(S390_Float32ToDouble)          \
+  V(S390_Float64SilenceNaN)        \
   V(S390_DoubleToInt32)            \
   V(S390_DoubleToUint32)           \
   V(S390_DoubleToInt64)            \