Richard Biener <rguenth at gcc dot> changed:

           What    |Removed                     |Added
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2016-10-14
   Target Milestone|---                         |6.3
     Ever confirmed|0                           |1
      Known to fail|                            |4.3.5

--- Comment #2 from Richard Biener <rguenth at gcc dot> ---
Confirmed.  Already GCC 4.3 behaves that way.  Must be a feature ;)  (I suppose
the bug is that _with_ that typedef we emit a DW_AT_comp_dir attribute).

GCC 3.2.3 didn't do that.

We have:

/* Generate the DIE for the compilation unit.  */

static dw_die_ref
gen_compile_unit_die (const char *filename)
  dw_die_ref die;
  const char *language_string =;
  int language;

  die = new_die (DW_TAG_compile_unit, NULL, NULL);

  if (filename)
      add_name_attribute (die, filename);
      /* Don't add cwd for <built-in>.  */
      if (!IS_ABSOLUTE_PATH (filename) && filename[0] != '<')
        add_comp_dir_attribute (die);

thus absolute paths are supposed to omit it.

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