[Bug other/106575] New: new test case gcc.dg/fold-eqandshift-4.c fails

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106575

            Bug ID: 106575
           Summary: new test case gcc.dg/fold-eqandshift-4.c fails
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: other
          Assignee: unassigned at gcc dot gnu.org
          Reporter: seurer at gcc dot gnu.org
  Target Milestone: ---

g:6fc14f1963dfefead588a4cd8902d641ed69255c, r13-2005-g6fc14f1963dfef

make  -k check-gcc RUNTESTFLAGS="dg.exp=gcc.dg/fold-eqandshift-4.c"
FAIL: gcc.dg/fold-eqandshift-4.c scan-tree-dump-times optimized "return [01]"
14
FAIL: gcc.dg/fold-eqandshift-4.c scan-tree-dump-times optimized
"x_[0-9]\\(D\\)" 18
# of expected passes            6
# of unexpected failures        2

commit 6fc14f1963dfefead588a4cd8902d641ed69255c (HEAD, refs/bisect/bad)
Author: Roger Sayle <roger@nextmovesoftware.com>
Date:   Tue Aug 9 18:54:43 2022 +0100

    middle-end: Optimize ((X >> C1) & C2) != C3 for more cases.