[Bug c++/95638] Legit-looking code doesn't work with -O2

[amker at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95638

--- Comment #5 from bin cheng <amker at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #1)
> All I can say is that bisection shows (at least when preprocessed with g++
> 8.3.1 first) that this changed behavior in
> r10-7184-ge4e9a59105a81cdd6c1328b0a5ed9fe4cc82840e
> No time to analyze if it is a bug in the code or on the GCC side.
> CCing patch author.

Thanks for ccing, I will look into it this WE.