[Bug libgcc/124050] libgcc unwinder incorrectly handles signal frames without the machine-specific fallback

[hpa at zytor dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124050

--- Comment #2 from H. Peter Anvin <hpa at zytor dot com> ---
Is there any kind of tool we can use to test?