[Bug rtl-optimization/124441] The `volatile` keyword will block the optimization of replacing temporary variables in the `expand/TER` RTL pass.

[xingyushuai at hygon dot cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124441

--- Comment #6 from Yushuai Xing <xingyushuai at hygon dot cn> ---
(In reply to Andrew Pinski from comment #4)
> This might be fixed on the trunk even.

I'm a bit unsure whether this issue needs to be fixed or not. Your reply said
it should be fixed, but the status shows "RESOLVED WONTFIX".