Prevent premature macro expansion in __has_builtin, __has_feature,
__has_attribute, __has_extension, making them behave more akin to
conventional macros.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168268 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed