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