[Bug tree-optimization/117638] [14/15 regression] No loop splitting and bounds check not optimized out with -D_GLIBCXX_ASSERTIONS

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117638

--- Comment #1 from Sam James <sjames at gcc dot gnu.org> ---
(In reply to Sam James from comment #0)
> I see the following:
> * With GCC 13 using -D_GLIBCXX_ASSERTIONS, we split the loop.
> * With GCC 14 and trunk using -D_GLIBCXX_ASSERTIONS, we can't.
> * We don't seem able to optimise out the bounds check with GCC 14 and trunk
> (and we do it on every iteration!)

I think it's all the same thing (the inability to loop-split here).