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// { dg-do link  }

// 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;

}