https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77898
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- You seem to be misinterpreting 18446744071562067967 as -2147483649, the range-info looks valid to me. So it must be your get_range_info () code being wrong.