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Vincent Rabaud
747ffc57be
Fix function pointer signature mismatches - #30040 Contrib PR: https://github.com/opencv/opencv_contrib/pull/4224 Calling a function through a function pointer with a mismatched signature is undefined behavior in C/C++ and causes Clang Control Flow Integrity to trap with `SIGILL` (`ud1`) at indirect call sites. This is a follow-up on https://github.com/opencv/opencv/pull/28939 ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake