[Bug tree-optimization/104002] New: ICE ‘verify_gimple’ failed since r12-1128-gef8176e0fac935c0

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104002

            Bug ID: 104002
           Summary: ICE ‘verify_gimple’ failed since
                    r12-1128-gef8176e0fac935c0
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
  Target Milestone: ---

Fails since introduction of the feature:

$ gcc
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c
-O2 -c
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c:
In function ‘foo’:
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c:16:1:
error: invalid RHS for gimple memory store: ‘bit_field_ref’
   16 | }
      | ^
D.1983

BIT_FIELD_REF <_1, 64, 0>;

# .MEM_4 = VDEF <.MEM_3(D)>
D.1983 = BIT_FIELD_REF <_1, 64, 0>;
during GIMPLE pass: ssa
/home/marxin/Programming/gcc/gcc/testsuite/c-c++-common/builtin-shufflevector-3.c:16:1:
internal compiler error: verify_gimple failed
0x1ee78a5 verify_gimple_in_cfg(function*, bool)
        /home/marxin/Programming/gcc/gcc/tree-cfg.c:5559
0x1d4149e execute_function_todo
        /home/marxin/Programming/gcc/gcc/passes.c:2084
0x1d41abb execute_todo
        /home/marxin/Programming/gcc/gcc/passes.c:2138
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