Use the sys::RemoveFileOnSignal that takes a StringRef.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183944 91177308-0d34-0410-b5e6-96231b3b80d8
Don't depend on the transitive inclusion of PathV1.h.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183945 91177308-0d34-0410-b5e6-96231b3b80d8
Fix the linkage of static locals inside a CapturedStmt.  (Found in the
process of trying to fix the related issue for block literals.)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183951 91177308-0d34-0410-b5e6-96231b3b80d8