Use the big endian emulations for NetBSD/arm in EB mode.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215670 91177308-0d34-0410-b5e6-96231b3b80d8
Thread Safety Analysis: fix to improve handling of references to guarded
data members and range based for loops.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215671 91177308-0d34-0410-b5e6-96231b3b80d8
Don't Lex past EOF when lexing _Pragma

Fixes PR20662.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@215672 91177308-0d34-0410-b5e6-96231b3b80d8