Fix regular expression.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73221 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/BugPoint/misopt-basictest.ll b/test/BugPoint/misopt-basictest.ll
index 0f3e218..462a637 100644
--- a/test/BugPoint/misopt-basictest.ll
+++ b/test/BugPoint/misopt-basictest.ll
@@ -1,5 +1,5 @@
 ; RUN: bugpoint %s -dce -bugpoint-deletecalls -simplifycfg -silence-passes %bugpoint_topts
-; XFAIL: powerpc-*-linux
+; XFAIL: powerpc-.*-linux
 ; END.
 ; Failure on PPC Linux is due to PR4293.