Fix string assignment, David Blaikie suggestion.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193116 91177308-0d34-0410-b5e6-96231b3b80d8
[AArch64] Add the constraint to NEON scalar mla/mls instructions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193118 91177308-0d34-0410-b5e6-96231b3b80d8
Updated and added to the Consumed documentation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193120 91177308-0d34-0410-b5e6-96231b3b80d8