https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97619

            Bug ID: 97619
           Summary: error: true/false edge after a non-GIMPLE_COND in bb
           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 49459
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49459&action=edit
C source code

For the attached C source code with recent gcc trunk and compiler
flag -O3, does this:

/home/dcb/gcc/results.20201027/bin/gcc
/home/dcb/gcc/results.20201028/bin/gcc
resample.c: In function ‘merge_linear_argb_ref’:
resample.c:163:1: error: true/false edge after a non-GIMPLE_COND in bb 4
resample.c:163:1: error: true/false edge after a non-GIMPLE_COND in bb 4
during GIMPLE pass: slp
resample.c:163:1: internal compiler error: verify_flow_info failed
0xa0a2c0 verify_flow_info()
        ../../trunk.git/gcc/cfghooks.c:269
0xe1b583 execute_function_todo
        ../../trunk.git/gcc/passes.c:2004

The bug first appears sometime between 20201027 and 20201028.

I won't be able to reduce the code until tomorrow.

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