https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61929
Sebastian Pop <spop at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |spop at gcc dot gnu.org --- Comment #9 from Sebastian Pop <spop at gcc dot gnu.org> --- Bug was exposed by r213816 https://github.com/gcc-mirror/gcc/commit/ea48ac017975b0f0d4bd1ebd4b25fc658ba5f033 The bug is because we are not checking for the return value of the min/max operations, that could return infinity when the problem is not bounded. The new interface of ISL for integers returns an isl_val "infty" that is not handled by the code. Testing a fix that enables gcc to pass bootstrap with graphite flags enabled.