[compiler-rt] [libcxx] [libcxxabi] [libunwind] [runtimes][PAC] Harden unwinding when possible (PR #143230)

Daniil Kovalev via cfe-commits cfe-commits at lists.llvm.org
Sun Oct 19 14:53:59 PDT 2025


https://github.com/kovdan01 requested changes to this pull request.

@ojhunt Thanks for tons of fixes! We have one more usage of unions in libunwind.cpp which is technically UB.

I've proposed a fix for this. See commit a29af825c71d70e83445cd4214f7145642201506 from my branch [ptrauth-unwinding-2025-10-19](https://github.com/kovdan01/llvm-project/commits/ptrauth-unwinding-2025-10-19/)

As soon as this is addressed, I have no other objections from my side regarding this PR. Thanks for a great work!

https://github.com/llvm/llvm-project/pull/143230


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