gcc/testsuite/gcc.dg/20031201-1.c

   1 /* PR optimization/12628 */
   2 /* The following test used to ICE in init_alias_analysis because the
   3    given command line options meant that reg_scan wasn't (re)run before
   4    the jump bypassing pass.  */
   5
   6 /* { dg-do compile } */
   7 /* { dg-options "-O2 -fno-expensive-optimizations -fno-rerun-loop-opt" } */
   8
   9 int outbuf[100];
  10 int outcnt;
  11 int bi_buf;
  12 void send_bits(void)
  13 {
  14     bi_buf = 0;
  15     outbuf[outcnt++] = 8;
  16     outbuf[outcnt++] = 8;
  17     if (outcnt)
  18         bi_buf = 1;
  19 }
  20