[Bug sanitizer/87930] [8/9 Regression] ICE in emit_library_call_value_1, at calls.c:5422 since r249903

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87930

--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
$ cat ice.i
int __attribute__ ((sysv_abi)) a (__builtin_va_list b)
{
  __builtin_va_arg(b, long);
}