1 /* { dg-do compile } */ 2 /* { dg-options "-std=iso9899:1999 -pedantic-errors -Wno-shift-overflow" } */ 3 4 #define INTM1 (sizeof (int) * __CHAR_BIT__ - 1) 5 6 enum { A = 1 << INTM1 }; /* { dg-error "constant expression" } */ 7 int k = 1 << INTM1; /* { dg-error "constant expression" } */ 8 9 void fn(int i)10fn (int i) 11 { 12 switch (i) 13 case 1 << INTM1: break; /* { dg-error "constant expression" } */ 14 } 15