Add missing UNSUPPORTED for -fno-exception mode

git-svn-id: https://llvm.org/svn/llvm-project/libcxxabi/trunk@296957 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/test_exception_address_alignment.pass.cpp b/test/test_exception_address_alignment.pass.cpp
index 8e62944..8a41f0c 100644
--- a/test/test_exception_address_alignment.pass.cpp
+++ b/test/test_exception_address_alignment.pass.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: libcxxabi-no-exceptions
 // UNSUPPORTED: c++98, c++03
 
 // The system unwind.h on OS X provides an incorrectly aligned _Unwind_Exception