[Bug tree-optimization/102703] [12 Regression] Dead Code Elimination Regression at -O3 (trunk vs 11.2.0)

[theodort at inf dot ethz.ch via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102703

--- Comment #1 from Theodoros Theodoridis <theodort at inf dot ethz.ch> ---
(11.2.0 at -O3 can eliminate the call to foo but trunk at -O3 cannot)