https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114010
--- Comment #6 from ptomsich at gcc dot gnu.org --- (In reply to Manolis Tsamis from comment #5) > On of these happens to precede a relevant vector statement and then > in one case combine does the umlal transformation but in the other not. Please attach the A/B dump-files for the combine pass.