gcc/testsuite/gdc.test/runnable/test10.d

// EXTRA_SOURCES: imports/test10a.d

import imports.test10a;

extern(C) int printf(const char*, ...);

int main()
{
    imports.test10a.init();
    printf("it is %d\n", it[0]);
    assert(it[0] == 32);
    return 0;
}