[Bug c/47400] New: Several UCN tests FAIL on Tru64 UNIX V5.1B and IRIX 6.5

["ro at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47400

           Summary: Several UCN tests FAIL on Tru64 UNIX V5.1B and IRIX
                    6.5
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ro@gcc.gnu.org
              Host: alpha-dec-osf5.1b, mips-sgi-irix6.5
            Target: alpha-dec-osf5.1b, mips-sgi-irix6.5
             Build: alpha-dec-osf5.1b, mips-sgi-irix6.5


Several UCN tests partially fail on Tru64 UNIX V5.1B and IRIX 6.5. One common
example is

FAIL: gcc.dg/ucnid-10.c  (test for warnings, line 7)
FAIL: gcc.dg/ucnid-10.c  (test for warnings, line 8)
FAIL: gcc.dg/ucnid-10.c (test for excess errors)
Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/ucnid-10.c:7:9: warning:
#pragma pack(pop, Ã) encountered without matching #pragma pack(push, Ã)
[-Wpragmas]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/ucnid-10.c:8:9: warning:
unknown action 'Ã' for '#pragma pack' - ignored [-Wpragmas]

Instead of being printed in \u... notation, the characters are printed
literally.

The set of failures isn't identical on both platforms (maybe due to char being
unsigned on IRIX, but signed on Tru64 UNIX?), but the symptom is always the
same.