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-rw-r--r--test/test_exception_address_alignment.pass.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/test_exception_address_alignment.pass.cpp b/test/test_exception_address_alignment.pass.cpp
index 5c5b4df..8e62944 100644
--- a/test/test_exception_address_alignment.pass.cpp
+++ b/test/test_exception_address_alignment.pass.cpp
@@ -7,13 +7,25 @@
//
//===----------------------------------------------------------------------===//
+// UNSUPPORTED: c++98, c++03
+
+// The system unwind.h on OS X provides an incorrectly aligned _Unwind_Exception
+// type. That causes these tests to fail. This XFAIL is my best attempt at
+// working around this failure.
+// XFAIL: darwin && libcxxabi-has-system-unwinder
+
// Test that the address of the exception object is properly aligned to the
// largest supported alignment for the system.
#include <cstdint>
#include <cassert>
+#include <unwind.h>
+
struct __attribute__((aligned)) AlignedType {};
+static_assert(alignof(AlignedType) == alignof(_Unwind_Exception),
+ "_Unwind_Exception is incorrectly aligned. This test is expected to fail");
+
struct MinAligned { };
static_assert(alignof(MinAligned) == 1 && sizeof(MinAligned) == 1, "");