[Bug c/124524] New: [16 regression] new ice for gcc.dg/pr59920-3.c

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124524

            Bug ID: 124524
           Summary: [16 regression] new ice for gcc.dg/pr59920-3.c
           Product: gcc
           Version: 16.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

gcc/testsuite/gcc.dg/pr59920-3.c seems to have broken recently.

testsuite $ /home/dcb42/gcc/results.20260307.ubsan/bin/gcc -c -w
gcc.dg/pr59920-3.c 
testsuite $ /home/dcb42/gcc/results.20260310.ubsan/bin/gcc -c -w
gcc.dg/pr59920-3.c 
gcc.dg/pr59920-3.c: In function ‘foo’:
gcc.dg/pr59920-3.c:48:1: error: wrong amount of branch edges after
unconditional jump 600
   48 | }
      | ^

testsuite $ /home/dcb42/gcc/results.20260307.ubsan/bin/gcc -v 2>&1 | grep exp
gcc version 16.0.1 20260307 (experimental) (0fdaf0eb61f8a270) 
testsuite $ /home/dcb42/gcc/results.20260310.ubsan/bin/gcc -v 2>&1 | grep exp
gcc version 16.0.1 20260310 (experimental) (02926c0abb71e211) 
testsuite $