1 /* Test for constraints on constant expressions.  In C90 it is clear that
2    certain constructs are not permitted in unevaluated parts of an
3    expression (except in sizeof); in C99 it might fall within implementation
4    latitude.
5 */
6 /* Origin: Joseph Myers <jsm28@cam.ac.uk>; inspired by
7    http://deja.com/getdoc.xp?AN=524271595&fmt=text by Peter Seebach.
8 */
9 /* { dg-do compile } */
10 /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
11 
12 extern int bar (void);
13 
14 void
foo(void)15 foo (void)
16 {
17   int i;
18   static int j = (1 ? 0 : (i = 2)); /* { dg-error "initial" "assignment" } */
19   static int k = (1 ? 0 : ++i); /* { dg-error "initial" "increment" } */
20   static int l = (1 ? 0 : --i); /* { dg-error "initial" "decrement" } */
21   static int m = (1 ? 0 : bar ()); /* { dg-error "initial" "function call" } */
22   static int n = (1 ? 0 : (2, 3)); /* { dg-error "initial" "comma" } */
23 }
24