1/* PR tree-optimization/50078 */
2/* { dg-do compile } */
3/* { dg-options "-O2" } */
4
5unsigned nonvolvar[2];
6
7void
8test (int arg)
9{
10  unsigned v = *(volatile unsigned *) (&nonvolvar[arg]);
11  *(volatile unsigned *) (&nonvolvar[arg]) = v;
12}
13
14/* { dg-final { scan-assembler-times "movl\[^\n\r\]*nonvolvar" 2 { target { { i?86-*-* x86_64-*-* } && nonpic } } } } */
15