Fix test.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@190483 91177308-0d34-0410-b5e6-96231b3b80d8
volatile types are not trivially copyable.

PR17123.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@190484 91177308-0d34-0410-b5e6-96231b3b80d8