[Bug c++/28138] New: ext/pb_ds/example/basic_map.cc, etc fail: unaligned accesses at compile time

["pcarlini at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

Between June 19 and June 20, 4 new fails appeared on ia64-linux, all of the
same type:

FAIL: ext/pb_ds/example/basic_map.cc (test for excess errors)
Excess errors:
cc1plus(7223): unaligned access to 0x2000000005d40001, ip=0x40000000006982a0
cc1plus(7223): unaligned access to 0x2000000005d40009, ip=0x40000000006982c0
cc1plus(7223): unaligned access to 0x2000000005d40011, ip=0x40000000006982c1
cc1plus(7223): unaligned access to 0x2000000005d40019, ip=0x40000000006982d1
cc1plus(7223): unaligned access to 0x2000000005d40019, ip=0x40000000006982f0

FAIL: ext/pb_ds/example/erase_if.cc (test for excess errors)
Excess errors:
cc1plus(7295): unaligned access to 0x2000000005128001, ip=0x40000000006982a0
cc1plus(7295): unaligned access to 0x2000000005128009, ip=0x40000000006982c0
cc1plus(7295): unaligned access to 0x2000000005128011, ip=0x40000000006982c1
cc1plus(7295): unaligned access to 0x2000000005128019, ip=0x40000000006982d1
cc1plus(7295): unaligned access to 0x2000000005128019, ip=0x40000000006982f0

FAIL: ext/pb_ds/regression/associative_containers.cc (test for excess errors)
Excess errors:
cc1plus(7532): unaligned access to 0x2000000005e5c001, ip=0x40000000006982a0
cc1plus(7532): unaligned access to 0x2000000005e5c009, ip=0x40000000006982c0
cc1plus(7532): unaligned access to 0x2000000005e5c011, ip=0x40000000006982c1
cc1plus(7532): unaligned access to 0x2000000005e5c019, ip=0x40000000006982d1
cc1plus(7532): unaligned access to 0x2000000005e5c019, ip=0x40000000006982f0

FAIL: ext/pb_ds/regression/trie_no_data_map_rand.cc (test for excess errors)
Excess errors:
cc1plus(7921): unaligned access to 0x200000000e674001, ip=0x40000000006982a0
cc1plus(7921): unaligned access to 0x200000000e674009, ip=0x40000000006982c0
cc1plus(7921): unaligned access to 0x200000000e674011, ip=0x40000000006982c1
cc1plus(7921): unaligned access to 0x200000000e674019, ip=0x40000000006982d1
cc1plus(7921): unaligned access to 0x200000000e674019, ip=0x40000000006982f0


-- 
           Summary: ext/pb_ds/example/basic_map.cc, etc fail: unaligned
                    accesses at compile time
           Product: gcc
           Version: 4.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: pcarlini at suse dot de
  GCC host triplet: ia64-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28138