[PATCH] D38680: [libunwind] Fix handling of DW_CFA_GNU_args_size

Joerg Sonnenberger via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun Oct 22 14:18:35 PDT 2017


joerg added a comment.

I've looked at this in some detail now. I'm not exactly sure yet why it is broken. The patch seems quite wrong to me. DW_CFA_GNU_args_size should be applied only when unwinding a call instruction and that regard, the commit message of the original change is quite correct. What I am still trying to understand is how the precise unwind frame disagrees with the unwinder.


https://reviews.llvm.org/D38680





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