+++ /dev/null
-/* Test for constant expressions: broken optimization with const variables. */
-/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-/* { dg-do compile } */
-/* { dg-options "-std=iso9899:1999 -O2" } */
-/* Note: not using -pedantic since the -std option alone should be enough
- to give the correct behavior to conforming programs. */
-
-static const int ZERO = 0;
-
-int *a;
-int b;
-long *c;
-
-/* Assertion that n is a constant zero: so the conditional expression
- has type 'int *' instead of 'void *'.
-*/
-#define ASSERT_NPC(n) (b = *(1 ? a : (n)))
-/* Assertion that n is not a constant zero: so the conditional
- expresions has type 'void *' instead of 'int *'.
-*/
-#define ASSERT_NOT_NPC(n) (c = (1 ? a : (void *)(__SIZE_TYPE__)(n)))
-
-void
-foo (void)
-{
- ASSERT_NPC (0);
- ASSERT_NOT_NPC (ZERO);
- ASSERT_NPC (0 + 0);
- ASSERT_NOT_NPC (ZERO + 0); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NOT_NPC (ZERO + ZERO); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NPC (+0);
- ASSERT_NOT_NPC (+ZERO); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NPC (-0);
- ASSERT_NOT_NPC (-ZERO); /* { dg-bogus "incompatible" "bogus null pointer constant" { xfail *-*-* } } */
- ASSERT_NPC ((char) 0);
- ASSERT_NOT_NPC ((char) ZERO);
- ASSERT_NPC ((int) 0);
- ASSERT_NOT_NPC ((int) ZERO);
-}