https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102766

            Bug ID: 102766
           Summary: [12 Regression] internal compiler error: in
                    df_insn_delete, at df-scan.c:949
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Keywords: build, ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: burnus at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-gnu-linux
            Target: nvptx-none

In $(BUILD)/nvptx-none/mgomp/libgomp when compiling with -O2 -mgomp:

during RTL pass: final
In file included from libgomp/config/nvptx/task.c:41:
libgomp/config/nvptx/../../task.c: In function 'gomp_create_target_task':
libgomp/config/nvptx/../../task.c:921:1: internal compiler error: in
df_insn_delete, at df-scan.c:949
  921 | }
      | ^

0x8a9b86 df_insn_delete(rtx_insn*)  gcc/df-scan.c:949
0x845875 delete_insn(rtx_insn*)     gcc/cfgrtl.c:178
0x1119f7d reemit_marker_as_note     gcc/var-tracking.c:10024
0x111d193 delete_vta_debug_insn     gcc/var-tracking.c:10366

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