1 /* { dg-do compile } */
2 /* { dg-options "-fdump-tree-gimple" } */
3 
4 /* PR tree-optimization/20470:
5     Missing fold to abs(x) when x == MINUS_EXPR.  */
6 #define abs(x)  ((x) >= 0 ? (x) : -(x))
7 
8 int i,j,k;
f1()9 void f1()
10 {
11   i = abs(j-k);
12 }
13 
14 /* { dg-final { scan-tree-dump-times "ABS_EXPR" 1 "gimple" } } */
15