https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95401
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Alexandre Oliva from comment #7) > How important is it that the test added for this PR be split into two > separate source files? > > I ask because, on targets that support vectors, but the vector unit is not > enabled in the default configuration, vect.exp makes compile the default > action, instead of run, and with additional sources, compile fails because > one can't compile multiple sources into a single asm output. Hmm, but that sounds like a mistake in the dg setup? Anyway, if you can make the testcase fail when combined (and some noipa attributes sprinkled around) it's certainly fine to merge it into a single TU.