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// { dg-do run }

// { dg-require-weak "" }

// The PA HP-UX and Tru64 UNIX dynamic loaders don't support unsatisfied

// weak symbols.

// { dg-skip-if "No unsat" { alpha*-dec-osf* hppa*-*-hpux* } { "*" } { "" } }

// The darwin loader does, but they do need to exist at link time.

// { dg-skip-if "No link unsat" { *-*-darwin* } { "*" } { "" } }

// For kernel modules and static RTPs, the loader treats undefined weak

// symbols in the same way as undefined strong symbols.  The test

// therefore fails to load, so skip it.

// { dg-skip-if "" { "*-*-vxworks*" && nonpic } "*" { "-non-static" } }

extern void foo (void) __attribute__ ((weak));

int

main ()

{

  if (&foo)

    foo ();

  return 0;

}