[Bug middle-end/89091] ICE: Segmentation fault (in tree_class_check)

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89091

--- Comment #3 from David Binderman <dcb314 at hotmail dot com> ---
for gcc/testsuite/gcc.dg/pr89037.c, valgrind says:

./gcc.dg/pr89037.c:9:9: warning: missing braces around initializer
[-Wmissing-braces]
    9 | T a[] = { 1, 10000, 0x12345, 0xff000001, 1ULL << 63, (__int128) 1 <<
64,
      |         ^
      |           {} {    } {      } {         } {         } {                
}
   10 |    ((__int128) 1 << 64) | 1 };
      |    {                        }
==11913== Invalid read of size 2
==11913==    at 0x7F5B96: decode_field_reference(unsigned int, tree_node**,
long*, long*, machine_mode*, int*, int*, int*, tree_node**, tree_node**)
(fold-const.c:4327)