[SystemZ] Add MC support for interlocked-access 1 instructions

llvm-svn: 197984
diff --git a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
index 333db25..5a85a043 100644
--- a/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZSubtarget.cpp
@@ -26,7 +26,8 @@
                                    const std::string &FS)
   : SystemZGenSubtargetInfo(TT, CPU, FS), HasDistinctOps(false),
     HasLoadStoreOnCond(false), HasHighWord(false), HasFPExtension(false),
-    HasFastSerialization(false), TargetTriple(TT) {
+    HasFastSerialization(false), HasInterlockedAccess1(false),
+    TargetTriple(TT) {
   std::string CPUName = CPU;
   if (CPUName.empty())
     CPUName = "generic";