[Bug c/111860] New: error: stmt with wrong VUSE

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111860

            Bug ID: 111860
           Summary: error: stmt with wrong VUSE
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 56137
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56137&action=edit
C source code

foundBugs $ ../results/bin/gcc -c -w -O3 bug967.c
foundBugs $ ../results/bin/gcc -c -w -O3 -march=znver2 bug967.c
foundBugs $ ../results/bin/gcc -c -w -O3 -march=znver3 bug967.c
Create_POPMUSIC_CandidateSet.c: In function ‘optimize_path’:
Create_POPMUSIC_CandidateSet.c:170:13: error: stmt with wrong VUSE
# VUSE <.MEM_103>
_1958 = *_1959;
expected .MEM_1937

This worked yesterday, so it is recent breakage.

The bug seems to first appear sometime between g:ce55521bcd149fdc
and g:60c231cb65807fb9

I will have a go at a reduction.