[Bug c/107001] New: ICE in expand_gimple_stmt_1, at cfgexpand.cc:4017

["gscfq@t-online.de" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107001

            Bug ID: 107001
           Summary: ICE in expand_gimple_stmt_1, at cfgexpand.cc:4017
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r9, at -O0 :


$ cat z1.c
void bar (int *q);
void foo (int *p, int *q)
{
  #pragma omp taskgroup task_reduction (*: p[0])
  {
    #pragma omp taskgroup task_reduction (*: q[0])
    bar (q);
  }
}


$ gcc-13-20220918 -c z1.c -O0 -fopenmp -fexceptions
during RTL pass: expand
z1.c: In function 'foo':
z1.c:2:6: internal compiler error: in expand_gimple_stmt_1, at
cfgexpand.cc:4017
    2 | void foo (int *p, int *q)
      |      ^~~
0x9587db expand_gimple_stmt_1
        ../../gcc/cfgexpand.cc:4017
0x9587db expand_gimple_stmt
        ../../gcc/cfgexpand.cc:4044
0x95febf expand_gimple_basic_block
        ../../gcc/cfgexpand.cc:6096
0x962516 execute
        ../../gcc/cfgexpand.cc:6822