#include <stdio.h>

extern __thread signed short extern_tls_short;
extern __thread float extern_tls_float;

int main(void)
{
    int errors = 0;

    if (extern_tls_short != 1234 || extern_tls_float != 1.5f)
        errors = 1;

    extern_tls_short = -2222;
    extern_tls_float = 2.5f;
    extern_tls_float += 1.0f;

    if (extern_tls_short != -2222 || extern_tls_float != 3.5f)
        errors = 1;

    printf("extern tls errors: %d\n", errors);
    return errors;
}