[C++11] Force the other C++11 standard library detection macros to be
on unconditionally. Continuing to break down the C++98 support,
hopefully without breaking anything.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202579 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed