[Bug middle-end/115101] New: [wrong code] with -O1 -floop-nest-optimize for gcc.dg/graphite/interchange-8.c

[liuhongt at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115101

            Bug ID: 115101
           Summary: [wrong code] with -O1 -floop-nest-optimize for
                    gcc.dg/graphite/interchange-8.c
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Keywords: wrong-code
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: liuhongt at gcc dot gnu.org
  Target Milestone: ---

When I'm working on turning cunrolli, I found if cunrollis is disabled, the
testcase will fail.
It can be reproduced with trunk for -O1 -floop-nest-optimize.