1 /* { dg-do compile } */
2 /* { dg-options "-std=iso9899:1999 -pedantic-errors -Wno-shift-overflow" } */
3 
4 #define INTM2 (sizeof (int) * __CHAR_BIT__ - 2)
5 
6 enum { A = 10 << INTM2 }; /* { dg-error "constant expression" } */
7 int k = 10 << INTM2; /* { dg-error "constant expression" } */
8 
9 void
fn(int i)10 fn (int i)
11 {
12   switch (i)
13   case 10 << INTM2: break; /* { dg-error "constant expression" } */
14 }
15