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-rw-r--r--test/exception_object_alignment.pass.cpp33
1 files changed, 33 insertions, 0 deletions
diff --git a/test/exception_object_alignment.pass.cpp b/test/exception_object_alignment.pass.cpp
new file mode 100644
index 0000000..addef18
--- /dev/null
+++ b/test/exception_object_alignment.pass.cpp
@@ -0,0 +1,33 @@
+//===---------------- exception_object_alignment.pass.cpp -----------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// UNSUPPORTED: libcxxabi-no-exceptions
+
+// Check that the pointer __cxa_allocate_exception returns is aligned to the
+// default alignment for the target architecture.
+
+#include <cassert>
+#include <cstdint>
+#include <cxxabi.h>
+#include <type_traits>
+#include <__cxxabi_config.h>
+
+struct S {
+ int a[4];
+} __attribute__((aligned));
+
+int main() {
+#if !defined(_LIBCXXABI_ARM_EHABI)
+ void *p = __cxxabiv1::__cxa_allocate_exception(16);
+ auto i = reinterpret_cast<uintptr_t>(p);
+ auto a = std::alignment_of<S>::value;
+ assert(i % a == 0);
+#endif
+ return 0;
+}