[Bug c++/23833] New: warning: "ignoring packed attribute on unpacked non-POD field" on templates

[Bug c++/23833] New: warning: "ignoring packed attribute on unpacked non-POD field" on templates

[Dmitry dot Chepel at acronis dot com]

gcc ver 3.4.3
system type: any
g++ -v -save-temps -Wall test.cpp
i see bug 17519 but this can be other bug.

-- 
           Summary: warning: "ignoring packed attribute on unpacked non-POD
                    field" on templates
           Product: gcc
           Version: 3.4.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: Dmitry dot Chepel at acronis dot com
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833

[Bug c++/23833] warning: "ignoring packed attribute on unpacked non-POD field" on templates

[Dmitry dot Chepel at acronis dot com]

------- Additional Comments From Dmitry dot Chepel at acronis dot com  2005-09-12 13:45 -------
Created an attachment (id=9709)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9709&action=view)
output from compler


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833

[Bug c++/23833] warning: "ignoring packed attribute on unpacked non-POD field" on templates

[Dmitry dot Chepel at acronis dot com]

------- Additional Comments From Dmitry dot Chepel at acronis dot com  2005-09-12 13:46 -------
Created an attachment (id=9710)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=9710&action=view)
the preprocessed file


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833

[Bug c++/23833] warning: "ignoring packed attribute on unpacked non-POD field" on templates

[Dmitry dot Chepel at acronis dot com]

------- Additional Comments From Dmitry dot Chepel at acronis dot com  2005-09-12 13:46 -------
#include <iostream>  
template<typename D, typename W>
  struct GuidTemplate
  {
    char kk;
    D TimeLow;
    W TimeMid;
    W TimeHiAndVer;
    union
    {
      char ClkSeqAndNodeArray[8];
      long long ClkSeqAndNodeQword;
      struct
      {
        char ClkSeqHiAndVariant;
        char ClkSeqLow;
        char Node[6];
      };
    };
    GuidTemplate() {}
    
  } __attribute__ ((packed));

  typedef GuidTemplate<long, short> LeGuid;

  struct PartitionEntry
  { 
    LeGuid PartitionTypeGuid; // Unique ID that defines the purpose and type of 
this Partition. 
                                // A value of zero defines that this partition 
                             // record is not being used.
    LeGuid UniquePartitionGuid;// GUID that is unique for every partition 
record. Every
                             // partition ever created will have a unique GUID. 
This
                             // GUID must be assigned when the GUID Partition 
Entry
                             // is created. The GUID Partition Entry is created 
when
                             // ever the NumberOfPartitionEntries in the
                             // GUID Partition Table Header is increased to 
include a
                             // larger range of addresses.
    //le_qword StartingLba;    // Starting LBA of the partition defined by this 
record
    ///le_qword EndingLba;      // Ending LBA of the partition defined by this 
record
    //le_qword Attributes;         // All bit EFI Reserved
    //le_word PartitionName[GPT_PARTITION_NAME_LENGTH];  // Human readable 
Unicode string identification
  } __attribute__ ((packed));                                                 

 
int main()
{
  PartitionEntry entry;
  std::cout << "sizeof structute  LeGuid = " << sizeof(LeGuid) << "\n";
  std::cout << "sizeof structute PartitionEntry = " << sizeof(PartitionEntry) << 
"\n";
  return 0;
}


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833

[Bug c++/23833] warning: "ignoring packed attribute on unpacked non-POD field" on templates

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nathan at gcc dot gnu dot
                   |                            |org
           Keywords|                            |diagnostic


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833

[Bug c++/23833] warning: "ignoring packed attribute on unpacked non-POD field" on templates

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2005-09-18 02:06 -------


*** This bug has been marked as a duplicate of 13983 ***

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |DUPLICATE


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23833