modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/20041005-1.c (about)

     1  /* This wrongly caused duplicate definitions of x in the assembler
     2     output.  */
     3  /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
     4  
     5  static int x = 1;
     6  void f (void) { extern int x; }