https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113144
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #7 from David Binderman <dcb314 at hotmail dot com> --- I see this one also, while building libmpg. foundBugs $ ../results/bin/gcc -c -w -O3 bug993.c foundBugs $ ../results/bin/gcc -c -w -O3 -march=znver3 bug993.c src/libmpg123/format.c: In function ‘enc_chan_fit’: src/libmpg123/format.c:188:12: error: dominator of 70 should be 206, not 3 src/libmpg123/format.c:188:12: error: dominator of 71 should be 206, not 3 during GIMPLE pass: vect src/libmpg123/format.c:188:12: internal compiler error: in verify_dominators, at dominance.cc:1194