[Bug sanitizer/71163] New: ICE in get_ubsan_type_info_for_type

["zeccav at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71163

            Bug ID: 71163
           Summary: ICE in get_ubsan_type_info_for_type
           Product: gcc
           Version: 6.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: sanitizer
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zeccav at gmail dot com
                CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
                    jakub at gcc dot gnu.org, kcc at gcc dot gnu.org
  Target Milestone: ---

This one seems to be fixed in trunk, I am opening it just in case:

/* gcc -fsanitize=undefined */
/*p.c: In function âfooâ:
 * p.c:15:6: internal compiler error: in get_ubsan_type_info_for_type, at
ubsan.c:305
 *  void foo(int n)
 *       ^~~
 *0xba9f60 get_ubsan_type_info_for_type
 *../../gcc-7-235689/gcc/ubsan.c:305
 *0xba9f60 ubsan_type_descriptor(tree_node*, ubsan_print_style)
 *../../gcc-7-235689/gcc/ubsan.c:454
 *0xbaa4ec ubsan_expand_bounds_ifn(gimple_stmt_iterator*)
 *../../gcc-7-235689/gcc/ubsan.c:692
 *0xbb01d9 execute
 *../../gcc-7-235689/gcc/sanopt.c:696
 */
void foo(int n)
{
  struct S
  {
    int i[n];
  } ;

  struct S s[1];
  int k=0;
  s[k];
}