[PATCH] D59492: [OpenCL] Allow variadic macros as Clang feature

[Anastasia Stulova via Phabricator via cfe-commits]

Anastasia added a comment.

In D59492#1433796 <https://reviews.llvm.org/D59492#1433796>, @arsenm wrote:

> Should it be downgraded to a warning about an extension instead of just removing it?


What would you suggest to put in a warning message? Clang normally doesn't warn about extensions...


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