https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107668
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- I see this also in C++ code with flags -O1 -march=znver3 -ffast-math. The problem first seems to occur sometime between git hash 52672be7d328df50 and 05432288d4e56055, some 28 commits later. I have a cvise job running.