Mark the at_exit and at_quick_exit tests as unsupported under C++98 an 03, since those calls were introduced in C++11. They're already guarded by an ifdef in the code, so this is a 'belt-and-suspenders' change.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@339804 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/language.support/support.start.term/quick_exit.pass.cpp

@@ -6,7 +6,7 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
+// UNSUPPORTED: c++98, c++03
 
 // test quick_exit and at_quick_exit
 

test/std/language.support/support.start.term/quick_exit_check1.fail.cpp

@@ -7,6 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
+// UNSUPPORTED: c++98, c++03
 
 // test that referencing at_quick_exit when _LIBCPP_HAS_QUICK_EXIT is not defined
 // results in a compile error.

test/std/language.support/support.start.term/quick_exit_check2.fail.cpp

@@ -6,7 +6,7 @@
 // Source Licenses. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
-//
+// UNSUPPORTED: c++98, c++03
 
 // test that referencing quick_exit when _LIBCPP_HAS_QUICK_EXIT is not defined
 // results in a compile error.