Change return type of Sema::DiagnoseAmbiguousLookup from bool to void.
The function always returned true value, which was never used.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@189571 91177308-0d34-0410-b5e6-96231b3b80d8
 mangle aarch64 Neon ACLE scalar instrinsic name with BHSD suffix.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@189574 91177308-0d34-0410-b5e6-96231b3b80d8