[Bug c/102416] New: [12 Regression] ICE in gimplify_expr, at gimplify.c:15570

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102416

            Bug ID: 102416
           Summary: [12 Regression] ICE in gimplify_expr, at
                    gimplify.c:15570
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20210523 and 20210530 :


$ cat z1.c
void *f ()
{
  #pragma omp task affinity(f()[2])
  ;
}


$ cat z2.c
void f ()
{
  struct S *x;
  #pragma omp task affinity(*x)
  ;
}


$ gcc-12-20210919 -c z1.c -fopenmp
z1.c: In function 'f':
z1.c:3:32: warning: dereferencing 'void *' pointer
    3 |   #pragma omp task affinity(f()[2])
      |                                ^
z1.c:3:28: warning: dereferencing 'void *' pointer
    3 |   #pragma omp task affinity(f()[2])
      |                            ^
z1.c:3:28: internal compiler error: in gimplify_expr, at gimplify.c:15570
0x960cc4 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:15570
0x9581e4 gimplify_omp_affinity
        ../../gcc/gimplify.c:8105
0x9581e4 gimplify_scan_omp_clauses
        ../../gcc/gimplify.c:9924
0x95dbeb gimplify_omp_task
        ../../gcc/gimplify.c:11814
0x95dbeb gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:15062
0x960cf8 gimplify_stmt(tree_node**, gimple**)
        ../../gcc/gimplify.c:7006
0x961251 gimplify_bind_expr
        ../../gcc/gimplify.c:1426
0x95ecca gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
        ../../gcc/gimplify.c:14769
0x960cf8 gimplify_stmt(tree_node**, gimple**)
        ../../gcc/gimplify.c:7006
0x961d6b gimplify_body(tree_node*, bool)
        ../../gcc/gimplify.c:15814
0x9621bf gimplify_function_tree(tree_node*)
        ../../gcc/gimplify.c:15968
0x7eaf97 cgraph_node::analyze()
        ../../gcc/cgraphunit.c:670
0x7ed8e7 analyze_functions
        ../../gcc/cgraphunit.c:1234
0x7ee2ad symbol_table::finalize_compilation_unit()
        ../../gcc/cgraphunit.c:2508