Don't try to diagnose anything when we're passing incomplete types
through varargs. This only happens when we're in an unevaluated
context, where we don't want to trigger an error anyway. Fixes PR11131
/ <rdar://problem/10288375>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141986 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed