[clang] [clang][ARM] Fix warning for VFP function calls from interrupts. (PR #91870)

David Spickett via cfe-commits cfe-commits at lists.llvm.org
Wed Jun 12 01:34:41 PDT 2024


https://github.com/DavidSpickett commented:

I can't fully approve this, I leave that to other members of @llvm/pr-subscribers-arm .

2 overall comments:
* Calling a function marked interrupt from a function marked interrupt is still UB isn't it? Should there be another warning to cover that scenario as well?
* I see that gcc has a warning in `-Wattributes` for this, you should raise a bug there equivalent to the one llvm has, perhaps there even is one already.

https://github.com/llvm/llvm-project/pull/91870


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