[Bug tree-optimization/92980] [miss optimization]redundant load missed by fre.

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92980

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Hongtao.liu from comment #6)
> New fail by removal
> 
> unix/-m32: c-c++-common/restrict-2.c  -Wc++-compat   scan-tree-dump-times
> lim2 "Moving statement" 11

> unix/-m32: c-c++-common/restrict-2.c  -std=gnu++14  scan-tree-dump-times
> lim2 "Moving statement" 11
> unix/-m32: c-c++-common/restrict-2.c  -std=gnu++17  scan-tree-dump-times
> lim2 "Moving statement" 11
> unix/-m32: c-c++-common/restrict-2.c  -std=gnu++2a  scan-tree-dump-times
> lim2 "Moving statement" 11
> unix/-m32: c-c++-common/restrict-2.c  -std=gnu++98  scan-tree-dump-times
> lim2 "Moving statement" 11

I think this is just there are a different number of statement moved out of the
loop.


The rest I don't know what is the issue but you should look into each one to
figure out what the difference is.