[Bug c++/108747] Dangerous optimization when optimization is disabled by flag -O0

[alireza at hexosys dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108747

--- Comment #3 from alireza at hexosys dot com ---
I Agree with you that the user has made mistake.

but why does the compiler does this optimization that can change the behavior
of the code, when we explicitly asked her to don't do any optimization when we
set the -O0?