[Bug target/126667] [15/16/17 Regression] s390x ICE since r15-6791

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126667

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Better testcase (again, -O2 -march=z14):
unsigned long
foo (unsigned long x, unsigned long y, unsigned long *p)
{
  return __builtin_subcl (x, y, 1UL, p);
}