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// test anonymous structs and unions
#include <cstdio>
#include <pthread.h>
struct T {
pthread_mutex_t mutex; // contains anonymous union on Linux
struct {
int a;
};
union {
int b;
long c;
};
int TestPopup()
{
return a ? b : c;
}
};
int main()
{
pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
T t;
union {
char a;
int b;
};
a = 'X';
b = t.TestPopup();
std::fprintf(stderr, "%d, %d, a=%d, b=%d\n", sizeof(mutex), sizeof(t), a, b);
}
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