[Bug tree-optimization/107639] GCC unable to reason about range of idx/len

2022-11-14 Thread amacleod at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107639 --- Comment #3 from Andrew Macleod --- (In reply to Richard Biener from comment #2) > Confirmed. Something for ranger/VRP "symbolic" handling. I'm not so sure. what is related? there are 2 loop values being bumped by different amounts. the

[Bug tree-optimization/107639] GCC unable to reason about range of idx/len

2022-11-14 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107639 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Keywords|

[Bug tree-optimization/107639] GCC unable to reason about range of idx/len

2022-11-11 Thread jmuizelaar at mozilla dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107639 --- Comment #1 from Jeff Muizelaar --- This test case comes from https://github.com/llvm/llvm-project/issues/56612