https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114080
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jakub at gcc dot gnu.org
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Chris Rapier from comment #5)
> So what you are saying is that behaviour *has* changed and what was a valid
> operation for 15 years is now invalid. I'm not mad about that. I just needed
> to know.
No. Please read the above comments again. The testcase has been always
invalid, but invoking undefined behavior doesn't mean you always get a
segfault, that would then be defined behavior. It can as well seem to do what
the programmer expected it to do, or do something completely different.
See e.g. https://blog.regehr.org/archives/213 for more details.
