diff --git a/clang/test/Driver/as-version.s b/clang/test/Driver/as-version.s
--- a/clang/test/Driver/as-version.s
+++ b/clang/test/Driver/as-version.s
@@ -1,5 +1,6 @@
 // Test version information.
 
+// UNSUPPORTED: -zos
 // RUN: %clang -Wa,--version -c -fintegrated-as %s -o /dev/null \
 // RUN:   | FileCheck --check-prefix=IAS %s
 // IAS: clang version