[Bug middle-end/110294] [10/11 Regression] Segmentation fault with '-O3 -fno-dce -fno-toplevel-reorder -fno-tree-dce -fno-tree-pta -fno-tree-sink -ftoplevel-reorder'

[19373742 at buaa dot edu.cn via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110294

--- Comment #3 from CTC <19373742 at buaa dot edu.cn> ---
Another related and smaller reproducer:

# cat tmp.i
a;
*const b;
main() { a != *b; }