Do not use typo correction that is unaccessible.
This patch fixes PR17019. When doing typo correction, Sema::CorrectTypo uses
correction already seen for the same typo. This causes problems if that
correction is from another scope and cannot be accessed in the current.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@192594 91177308-0d34-0410-b5e6-96231b3b80d8
[AArch64] Add support for NEON scalar integer compare instructions.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@192597 91177308-0d34-0410-b5e6-96231b3b80d8