Andrew Kelley c161ce3f7c
mingw-w64 libc: fix incorrect detection of _xgetbv
It was using __GNUC__ < 8 to check if _xgetbv intrinsic is available.
Since we always use zig cc with this header, we know we have clang 9,
which does have this intrinsic.
2019-09-22 19:10:27 -04:00
..
2019-07-15 17:54:50 -04:00