gcc/testsuite/gcc.dg/rtl/aarch64/test-epilogue-set.c

/* { dg-do compile { target aarch64-*-* } } */

/*
   Should compile rather than ICE.
   Compilation requires setting the "epilogue_completed" variable.
 */
int __RTL (startwith ("cprop_hardreg"))
f ()
{
(function "f"
  (insn-chain
    (block 2
      (edge-from entry (flags "FALLTHRU"))
      (cnote 6 [bb 2] NOTE_INSN_BASIC_BLOCK)
      (cinsn 100 (set (reg:DI x0)
		  (plus:DI
		   (reg:DI x1)
		   (const_int 16777213))))
      ;; Extra insn, to avoid all of the above from being deleted by DCE
      (cinsn 10 (use (reg/i:DI x0)))
      (edge-to exit (flags "FALLTHRU"))
    ) ;; block 2
  ) ;; insn-chain
) ;; function
}