Revert 192220 as it fails on an assertion

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192225 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC migration. Add support for inferring
properties of block pointer types. Also, remove
strong lifetime attribute from property type
in this migration. This is wip.
// rdar://15082818


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192226 91177308-0d34-0410-b5e6-96231b3b80d8
Explicitly request unsigned enum types when desired

This fixes repeated -Wmicrosoft warnings when self-hosting clang on
Windows, and gets us real unsigned enum types with MSVC.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192228 91177308-0d34-0410-b5e6-96231b3b80d8
[AArch64] Add support for NEON scalar signed/unsigned integer to floating-point
convert instructions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192232 91177308-0d34-0410-b5e6-96231b3b80d8