diff -r 660175b829e8 -r c2ff34932cbd src/hotspot/cpu/s390/vm_version_s390.hpp
--- a/src/hotspot/cpu/s390/vm_version_s390.hpp	Mon Oct 09 11:43:42 2017 +0200
+++ b/src/hotspot/cpu/s390/vm_version_s390.hpp	Mon Oct 09 11:51:20 2017 +0200
@@ -473,6 +473,8 @@
   static void set_has_CryptoExt5()                { _features[0] |= CryptoExtension5Mask; }
   static void set_has_VectorFacility()            { _features[2] |= VectorFacilityMask; }
 
+  static void reset_has_VectorFacility()          { _features[2] &= ~VectorFacilityMask; }
+
   // Assembler testing.
   static void allow_all();
   static void revert();