[Bug target/118916] AARCH64: rtl-cse2 Option in O3 Level Optimization Ignores "volatile", Causing 'Invalid Instruction Syndrome'

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118916

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Tomas Chang from comment #2)
> 
> My question is that the same code runs successfully if it is compiled with
> GCC 12 using -O3 optimization.

Because it just happened to work ...