Add a unit test for the copy constructor.
I would not normally add tests like these, but the copy constructor is not
used at all in our codebase with c++11, so having this tests might prevent
breaking the c++03 build again.
llvm-svn: 198886
diff --git a/llvm/unittests/Support/ErrorOrTest.cpp b/llvm/unittests/Support/ErrorOrTest.cpp
index 98174e8..8a5b068 100644
--- a/llvm/unittests/Support/ErrorOrTest.cpp
+++ b/llvm/unittests/Support/ErrorOrTest.cpp
@@ -23,6 +23,9 @@
EXPECT_TRUE(a);
EXPECT_EQ(1, *a);
+ ErrorOr<int> b = a;
+ EXPECT_EQ(1, *b);
+
a = t2();
EXPECT_FALSE(a);
EXPECT_EQ(errc::invalid_argument, a.getError());