[PATCH] D33904: Add a __has_attribute_enhancement macro to clang

[George Burgess IV via Phabricator via cfe-commits]

george.burgess.iv added a comment.

> Why not just use __has_feature(overloadable_unmarked) or similar?

My impression was that `__has_feature` was was for larger features than tweaks to attributes. If this would be an appropriate use of `__has_feature`, though, I'm happy to keep things simple.

I'll update the other review with `__has_feature`. If it goes in with that, I'll abandon this.

Thanks!



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Comment at: docs/LanguageExtensions.rst:176
+For example, clang's ``overloadable`` attribute has existed since before Clang
+3.5, but in Clang 5.0 it gained was modified to support so-called "unmarked
+overloads".  One can use ``__has_attribute_enhancement`` to query whether clang
----------------
ahatanak wrote:
> Do you need "gained" here?
Good catch :)


https://reviews.llvm.org/D33904