https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88739
--- Comment #55 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to John Dong from comment #54) > (In reply to Richard Biener from comment #53) > > Fixed on trunk sofar, still waiting for somebody to produce a testcase for > > the testsuite (I can't run-test on BE). > > hi, any plan to fix on gcc-7-branch? Yes, maybe you can help with a testcase that can be put into gcc/testsuite/gcc.dg/torture/ and that currently fails on the branches but passes on trunk? I didn't want to backport w/o a testcase.