File: weakundef-data.c

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binutils 2.35.2-2
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#include <stdio.h>

#pragma weak undef_data

extern int undef_data;
int *ptr_to_data = &undef_data;

int
main (void)
{
  if (ptr_to_data == NULL)
    printf ("PASSED\n");

  return 0;
}