// Build don't run:
// Based on a testcase by eyal.ben-david@aks.com
// An extern declaration of an undeclared object within a function
// introduces the object into the enclosing namespace [basic.link]/7
namespace {
void foo() {
extern int xx;
xx = 0;
}
int xx = 1;
}
int main() {
xx = 2;
}