1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3
4 #include <math.h>
5
t(double x)6 double t (double x)
7 {
8 x = -x;
9 x = cos (x);
10 x = -x;
11 x = cosh (x);
12 return x;
13 }
14
15 /* { dg-final { scan-tree-dump-not "-x" "optimized" } } */
16
17