[Bug sanitizer/69539] ICE in expand_UBSAN_NULL, at internal-fn.c:202

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69539

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
There's a minimal test-case:

int fn1 (void) { return *(volatile int *) fn1; }