[PATCH] D90928: [OpenCL] Check for extension string extension lookup

[Erik Tomusk via Phabricator via cfe-commits]

erik2020 added a comment.

In D90928#2405796 <https://reviews.llvm.org/D90928#2405796>, @Anastasia wrote:

> Do you think we could improve testing? I presume there is something that triggers a failure without your change...

I'm not really sure how to test this code. Best I can tell, there's no way for the `clang` executable to call these functions with invalid strings. I only ran into the seg faults when I was programmatically setting options using the clang API.


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  https://reviews.llvm.org/D90928/new/

https://reviews.llvm.org/D90928