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/* PR c/20043 */
/* { dg-compile } */
/* { dg-options "-std=gnu99" } */
typedef union { int *i; long *l; } U
__attribute__((transparent_union));
extern void f0 (U); /* { dg-error "previous declaration" } */
extern void f0 (void *); /* { dg-error "conflicting types" } */
extern void f1 (U); /* { dg-error "previous declaration" } */
extern void f1 (unsigned long); /* { dg-error "conflicting types" } */
extern void f2 (void *); /* { dg-error "previous declaration" } */
extern void f2 (U); /* { dg-error "conflicting types" } */
extern void f3 (unsigned long); /* { dg-error "previous declaration" } */
extern void f3 (U); /* { dg-error "conflicting types" } */
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