diff --git a/test/Debugger/funccall.ll b/test/Debugger/funccall.ll
index 846250b567f..a781446ad70 100644
--- a/test/Debugger/funccall.ll
+++ b/test/Debugger/funccall.ll
@@ -1,3 +1,4 @@
+;; XFAIL: darwin,sun
 ;; RUN: echo create > %t.commands
 ;; RUN: echo s >> %t.commands
 ;; RUN: echo s >> %t.commands