https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80865
--- Comment #1 from Iain Sandoe <iains at gcc dot gnu.org> --- please could you apply the patches attached to : https://gcc.gnu.org/ml/gcc-testresults/2017-01/msg02971.html I suspect that you're reporting a pre-existing condition. now we're back in stage #1 - we could post them for approval, and then back-port for 7.2