[Bug debug/65838] New: DWARF type units should have DW_AT_comp_dir when needed

[dje at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65838

            Bug ID: 65838
           Summary: DWARF type units should have DW_AT_comp_dir when
                    needed
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dje at google dot com

DWARF type units don't get DW_AT_comp_dir, and normally (for some definition of
normally) they're not needed.  But, for completeness sake, there are cases
where they are.

gdb bug https://sourceware.org/bugzilla/show_bug.cgi?id=18290
has a testcase.