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/* run.config*
STDOPT: +" -machdep gcc_x86_32 -cpp-extra-args=-DP1 -then -lib-entry"
STDOPT: +" -machdep gcc_x86_32 -cpp-extra-args=-DP2 -lib-entry"
STDOPT: +" -machdep gcc_x86_32 -cpp-extra-args=-DP3 -lib-entry"
STDOPT: +" -cpp-extra-args=-DP1 -lib-entry"
*/
// BTS 1416 and 1874
struct s {}; // empty structs only allowed in GCC/MSVC mode
struct s2 { int i1; struct s s; int i2; };
#define S struct s s;
#define S2 struct s2 s2;
#define T struct s t[10];
// Reorder the variables so that we get an error for each one
#ifdef P1
S // direct empty struct
S2
T
#endif
#ifdef P2
S2 // empty struct inside a struct
S
T
#endif
#ifdef P3
T // array of empty struct
S2
S
#endif
void main() {
void *p = &s;
s2.s = s;
t[0] = t[1];
}
#ifdef P4 // Original example of bts 1874. Not explicitly tested, as the core functionality is checked by the tests above
struct lock_class_key {}; /* pas de struct-declaration-list */
struct dentry {
struct super_block *d_sb;
};
void task_pgrp_nr_ns(struct dentry x);
extern struct dentry a;
struct super_block {
struct lock_class_key s_writers_key[4];
} task_pgrp_nr(void) {
task_pgrp_nr_ns(a);
/* pas de return */
}
void main();
#endif
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