+++ /dev/null
-/* Test for constant expressions: details of what is a null pointer
- constant.
-*/
-/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-/* { dg-do compile } */
-/* { dg-options "-std=iso9899:1999" } */
-/* Note: not using -pedantic since the -std option alone should be enough
- to give the correct behavior to conforming programs. If -pedantic is
- needed to make (say) (0, 0) not be a constant expression, this is a
- bug.
-*/
-
-int *a;
-int b;
-long *c;
-
-/* Assertion that n is a null pointer constant: so the conditional expression
- has type 'int *' instead of 'void *'.
-*/
-#define ASSERT_NPC(n) (b = *(1 ? a : (n)))
-/* Assertion that n is not a null pointer constant: so the conditional
- expresions has type 'void *' instead of 'int *'.
-*/
-#define ASSERT_NOT_NPC(n) (c = (1 ? a : (n)))
-
-void
-foo (void)
-{
- ASSERT_NPC (0);
- ASSERT_NPC ((void *)0);
- ASSERT_NOT_NPC ((void *)(void *)0); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NOT_NPC ((void *)(char *)0); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NOT_NPC ((void *)(0, 0)); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NOT_NPC ((void *)(&"Foobar"[0] - &"Foobar"[0])); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- /* This last one is a null pointer constant in C99 only. */
- ASSERT_NPC ((void *)(1 ? 0 : (0, 0)));
-}