Summary: Bunch of fixed bugs in Clang after running misc-use-after-move in clang-tidy.

Reviewers: rsmith, mboehme

Subscribers: cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D27752

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290424 91177308-0d34-0410-b5e6-96231b3b80d8