1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdata-sections" } */
       3  /* { dg-skip-if "-fdata-sections not supported" { hppa*-*-hpux* nvptx-*-* } } */
       4  
       5  int x = 1;
       6  int x;
       7  
       8  /* { dg-final { scan-assembler-not {comm[\t ]+x} } } */