Mark exception-throwing test as XFAIL when exceptions are disabled

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@263405 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/std/utilities/memory/default.allocator/allocator.members/allocate.size.pass.cpp b/test/std/utilities/memory/default.allocator/allocator.members/allocate.size.pass.cpp
index 4846b0a..f50fbe7 100644
--- a/test/std/utilities/memory/default.allocator/allocator.members/allocate.size.pass.cpp
+++ b/test/std/utilities/memory/default.allocator/allocator.members/allocate.size.pass.cpp
@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+// XFAIL: libcpp-no-exceptions
 // <memory>
 
 // allocator: