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-rw-r--r--unittests/Support/ErrorOrTest.cpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/unittests/Support/ErrorOrTest.cpp b/unittests/Support/ErrorOrTest.cpp
index a8608860b8..aa0ddd5e79 100644
--- a/unittests/Support/ErrorOrTest.cpp
+++ b/unittests/Support/ErrorOrTest.cpp
@@ -53,6 +53,19 @@ TEST(ErrorOr, Types) {
EXPECT_EQ(3, **t3());
#endif
}
+
+struct B {};
+struct D : B {};
+
+TEST(ErrorOr, Covariant) {
+ ErrorOr<B*> b(ErrorOr<D*>(0));
+ b = ErrorOr<D*>(0);
+
+#if LLVM_HAS_CXX11_STDLIB
+ ErrorOr<std::unique_ptr<B> > b1(ErrorOr<std::unique_ptr<D> >(0));
+ b1 = ErrorOr<std::unique_ptr<D> >(0);
+#endif
+}
} // end anon namespace
struct InvalidArgError {