Fix PR26961 - Add default constructor to std::pointer_safety struct.

In ABI v1 libc++ implements std::pointer_safety as a class type instead
of an enumeration. However this class type does not provide
a default constructor as it should. This patch adds that default constructor.

llvm-svn: 291059

1 files changed, 12 insertions, 0 deletions

diff --git a/libcxx/test/std/utilities/memory/util.dynamic.safety/get_pointer_safety.pass.cpp b/libcxx/test/std/utilities/memory/util.dynamic.safety/get_pointer_safety.pass.cpp
index ee2f81713b2..df77be9643d 100644
--- a/libcxx/test/std/utilities/memory/util.dynamic.safety/get_pointer_safety.pass.cpp
+++ b/libcxx/test/std/utilities/memory/util.dynamic.safety/get_pointer_safety.pass.cpp
@@ -16,10 +16,22 @@
 #include <memory>
 #include <cassert>
 
+
+void test_pr26961() {
+  std::pointer_safety d;
+  d = std::get_pointer_safety();
+  assert(d == std::get_pointer_safety());
+}
+
 int main()
 {
+  {
     std::pointer_safety r = std::get_pointer_safety();
     assert(r == std::pointer_safety::relaxed ||
            r == std::pointer_safety::preferred ||
            r == std::pointer_safety::strict);
+  }
+  {
+    test_pr26961();
+  }
 }