[SystemZ] Let z13 also support FeatureMiscellaneousExtensions.

This processor feature had been left out by mistake from the z13
ProcessorModel.

This time with updated test case. Thanks, Hans.

Reviewed by Ulrich Weigand.

llvm-svn: 274216
diff --git a/llvm/lib/Target/SystemZ/SystemZProcessors.td b/llvm/lib/Target/SystemZ/SystemZProcessors.td
index 32fbe5a..01773ee 100644
--- a/llvm/lib/Target/SystemZ/SystemZProcessors.td
+++ b/llvm/lib/Target/SystemZ/SystemZProcessors.td
@@ -92,5 +92,6 @@
                 [FeatureDistinctOps, FeatureLoadStoreOnCond, FeatureHighWord,
                  FeatureFPExtension, FeaturePopulationCount,
                  FeatureFastSerialization, FeatureInterlockedAccess1,
+                 FeatureMiscellaneousExtensions,
                  FeatureTransactionalExecution, FeatureProcessorAssist,
                  FeatureVector]>;