1 /* { dg-do compile } */
2 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
3 
4 enum E { A = -2 << 1 }; /* { dg-error "constant expression" } */
5 int i = -1 << 0; /* { dg-error "constant expression" } */
6 
7 int
f(int i)8 f (int i)
9 {
10   switch (i)
11   case -1 << 0: break; /* { dg-error "constant expression" } */
12 }
13