Add a missing RequireCompleteType call when synthesizing properties.  <rdar://problem/11333367>.

While I'm here, fix source locations for other diagnostics related to property synthesis.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155953 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed