[Bug sanitizer/110835] [13/14 Regression] -fsanitize=address causes huge runtime slowdown from std::rethrow_exception not called

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110835

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > Which might mean it is an issue in LLVM too ...
> 
> Yes the same runtime regression shows up between clang 15 and clang 16. This
> should reported upstream to them too.

What is interesting is that with -stdlib=libc++ the regression for clang/LLVM
shows up between their 14 and 15 releases.

Anyways this should be filed upstream ...