/* The testcase failed due to corrupted alias information.   During the crossjump analyzing step the mem alias info of the   st instructions are merged and get copied during basic block   reordering which leads to an insn with wrong alias info.   The scheduler afterwards exchanges the mvc and st instructions    not recognizing the anti dependence.  *//* { dg-do run { target s390-*-* } } *//* { dg-options "-O3 -mtune=z990 -fno-inline" } */extern void exit (int);extern void abort (void);int f;int g;int h;int* x  = &f;int* p1 = &g;int* p2 = &h;intfoo(void){  if (*x == 0)    {      x = p1;         /* mvc - memory to memory */      p1 = (int*)0;   /* st  - register to memory */      return 1;    }  if (*x == 5)    {      f = 1;      g = 2;      p2 = (int*)0;   /* st */         return 1;    }}intmain (int argc, char** argv){  foo ();  /* If the scheduler has exchanged the mvc and st instructions,     x is 0. The expected result is &g.  */  if (x == &g)    exit (0);  else    abort ();}