[Bug target/124350] G++ on macOS produces crashing executable for nested exception with -O0

[iains at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124350

Iain Sandoe <iains at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2026-03-05
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
             Target|aarch64-darwin              |*-*-darwin24

--- Comment #4 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #3)
> Homebrew gets its port from iains's arm64 branch, I believe:
> https://github.com/iains/gcc-darwin-arm64

However, I think the issue also applies to x86_64, and I suspect is related to
implementation divergence in the handling exception pointers.  See
18_support/nested_exception/rethrow_if_nested.cc from the libstdc++ testsuite