Change the diagnostics which said 'accepted as an extension' to instead say
'is an extension'. The former is inappropriate and confusing when building with
-Werror/-pedantic-errors.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147357 91177308-0d34-0410-b5e6-96231b3b80d8
26 files changed