XFAIL this debug-mode test that I just broke. Eric has a patch out for review (D59166) that rewrites this test completely, so I'm not going to bother fixing it.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@356211 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/libcxx/containers/sequences/array/array.zero/db_indexing.pass.cpp b/test/libcxx/containers/sequences/array/array.zero/db_indexing.pass.cpp
index cb5e99b..56fc326 100644
--- a/test/libcxx/containers/sequences/array/array.zero/db_indexing.pass.cpp
+++ b/test/libcxx/containers/sequences/array/array.zero/db_indexing.pass.cpp
@@ -5,7 +5,7 @@
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
-
+// XFAIL:*
 // UNSUPPORTED: libcpp-no-exceptions
 // MODULES_DEFINES: _LIBCPP_DEBUG=1
 // MODULES_DEFINES: _LIBCPP_DEBUG_USE_EXCEPTIONS