[PATCH] D38141: Annotate function parameters with attribute 'noescape'

[Akira Hatanaka via Phabricator via llvm-commits]

ahatanak added a comment.

In https://reviews.llvm.org/D38141#877782, @kubamracek wrote:

> What happens when building this code with a compiler that doesn't understand `__attribute__((__noescape__))`?  Is it just ignored?


clang will just ignore it and issue a warning ("unknown attribute '__noescape__' ignored").

It's possible to guard the declarations with 'noescape' using "__has_attribute(noescape)".

https://clang.llvm.org/docs/LanguageExtensions.html


https://reviews.llvm.org/D38141