[Bug debug/48229] New: DW_TAG_type_unit has no DW_AT_producer

["jan.kratochvil at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48229

           Summary: DW_TAG_type_unit has no DW_AT_producer
           Product: gcc
           Version: 4.5.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: jan.kratochvil@redhat.com
            Target: x86_64-unknown-linux-gnu


FAIL g++ (GCC) 4.5.3 20110322 (prerelease)
FAIL g++ (GCC) 4.6.0 20110322 (prerelease)
FAIL g++ (GCC) 4.7.0 20110322 (experimental)

echo 'class C {} c;' | g++ -o 1.o -c -g -Wall -x c++ - -gdwarf-4

Contents of the .debug_info section:
 <0><b>: Abbrev Number: 3 (DW_TAG_compile_unit)
    < c>   DW_AT_producer    : GNU C++ 4.5.3 20110322 (prerelease)      
+
Contents of the .debug_types section:
 <0><17>: Abbrev Number: 1 (DW_TAG_type_unit)
    <18>   DW_AT_language    : 4        (C++)
    <19>   DW_AT_GNU_odr_signature: 0xef4f1478 0xafb836e1       
    <21>   DW_AT_stmt_list   : 0x0      
 - no DW_AT_producer here to check for workaround of PR debug/45124.