[Bug c++/18462] New: [3.4 Regression] Segfault on declaration of large array member

[Bug c++/18462] New: [3.4 Regression] Segfault on declaration of large array member

[peturr02 at ru dot is]

The compiler segfaults when compiling a class declaration that has a very large
array member of class type. This works fine with an array of int and also works
with gcc 3.3.5 and earlier, but fails with all gcc 3.4 releases.

-- 
           Summary: [3.4 Regression] Segfault on declaration of large array
                    member
           Product: gcc
           Version: 3.4.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: peturr02 at ru dot is
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4 Regression] Segfault on declaration of large array member

[peturr02 at ru dot is]

------- Additional Comments From peturr02 at ru dot is  2004-11-13 16:26 -------
Created an attachment (id=7539)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7539&action=view)
Preprocessed source code


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-11-13 16:45 -------
Either this is a dup of PR 16681 or there is another bug.  The splay_tree is very long which causes the 
stack to be overflowed.  Maybe we should fix the recursive nature of splay_tree_delete.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  BugsThisDependsOn|                            |16681
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|                            |1
           Keywords|                            |ice-on-valid-code
      Known to fail|                            |3.4.3 4.0.0
      Known to work|                            |3.3
   Last reconfirmed|0000-00-00 00:00:00         |2004-11-13 16:45:23
               date|                            |
            Summary|[3.4 Regression] Segfault on|[3.4/4.0 Regression]
                   |declaration of large array  |Segfault on declaration of
                   |member                      |large array member
   Target Milestone|---                         |3.4.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-05 04:01 -------
: Search converges between 2003-12-18-trunk (#431) and 2003-12-24-trunk (#432).

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  GCC build triplet|i686-pc-linux-gnu           |
   GCC host triplet|i686-pc-linux-gnu           |
 GCC target triplet|i686-pc-linux-gnu           |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-07 15:47 -------
*** Bug 18873 has been marked as a duplicate of this bug. ***

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-07 15:49 -------
Note there is a patch to fix splay_tree_delete in PR 18602.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
  BugsThisDependsOn|                            |18602


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[jakub at gcc dot gnu dot org]

------- Additional Comments From jakub at gcc dot gnu dot org  2004-12-07 16:17 -------
Any reason why that patch hasn't been applied?
Just verified it works and on the testcase in PR 18873 it is even tiny
bit faster than the recursive variant.
Though splay_tree_splay_helper is recursive too, so it is only partial solution.


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mark at codesourcery dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4/4.0 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

-- 
Bug 18462 depends on bug 18602, which changed state.

Bug 18602 Summary: segfault on a huge switch statement.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18602

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4 Regression] Segfault on declaration of large array member

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-07 21:32 -------
Fixed on the mainline by the patch which fixed 18602.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|3.4.3 4.0.0                 |3.4.3
      Known to work|3.3                         |3.3 4.0.0
            Summary|[3.4/4.0 Regression]        |[3.4 Regression] Segfault on
                   |Segfault on declaration of  |declaration of large array
                   |large array member          |member


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462

[Bug c++/18462] [3.4 Regression] Segfault on declaration of large array member

[nathan at gcc dot gnu dot org]

-- 
Bug 18462 depends on bug 16681, which changed state.

Bug 16681 Summary: [3.3/3.4 regression] array initialization in struct construct is a memory hog
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16681

           What    |Old Value                   |New Value
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18462