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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [c99-const-expr-9.c] - Rev 298
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/* Test for constant expressions: __builtin_offsetof allowed in integer constant expressions but not traditional offsetof expansion. */ /* Origin: Joseph Myers <joseph@codesourcery.com> */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ struct s { int a; }; struct t { struct s a; int b[2]; }; #define old_offsetof(TYPE, MEMBER) ((__SIZE_TYPE__) &((TYPE *)0)->MEMBER) enum e { E1 = old_offsetof (struct s, a), /* { dg-error "constant" } */ E2 = old_offsetof (struct t, a.a), /* { dg-error "constant" } */ E3 = old_offsetof (struct t, b[1]), /* { dg-error "constant" } */ E4 = __builtin_offsetof (struct s, a), E5 = __builtin_offsetof (struct t, a.a), E6 = __builtin_offsetof (struct t, b[1]) };