[Bug c++/43890] New: invalid uninitialized reference in class

[Bug c++/43890] New: invalid uninitialized reference in class

[jarrydb at cse dot unsw dot edu dot au]

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Compiling with:
g++ uninit_reference.cpp -o uninit_reference.o -std=gnu++0x -c

class Outer 
{
  public:
  Outer()
  : i(*this)
  {
  }

  class Inner 
  {
    public:
    Inner(Outer& o)
    : o(o)
    {
    }

    private:
    Outer& o;
  };

  private:
  Inner i;
};

class A {
  Outer o;
};

int main()
{
  A *a = new A;

  return 0;
}

uninit_reference.cpp: In function ‘int main()’:
uninit_reference.cpp:31:14: error: uninitialized reference member in ‘class A’
using ‘new’
uninit_reference.cpp:18:12: note: ‘Outer::Inner::o’ should be initialized

Configured with: ../gcc-svn/configure --prefix=/home/jarryd/gcc-latest-install
--enable-languages=c,c++ : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion : (reconfigured) ../gcc-svn/configure
--prefix=/home/jarryd/gcc-latest-install --enable-languages=c,c++ --no-create
--no-recursion
Thread model: posix
gcc version 4.6.0 20100425 (experimental) (GCC)


-- 
           Summary: invalid uninitialized reference in class
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jarrydb at cse dot unsw dot edu dot au
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[redi at gcc dot gnu dot org]

------- Comment #1 from redi at gcc dot gnu dot org  2010-04-26 09:30 -------
possibly caused by the changes for Bug 25811


-- 

redi at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[fabien dot chene at gmail dot com]

------- Comment #2 from fabien dot chene at gmail dot com  2010-04-26 09:58 -------
(In reply to comment #1)
> possibly caused by the changes for Bug 25811

Confirmed, please assigned me on this regression.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[redi at gcc dot gnu dot org]

-- 

redi at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |fabien dot chene at gmail
                   |dot org                     |dot com
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2010-04-26 11:03:03
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
  GCC build triplet|x86_64-unknown-linux-gnu    |
   GCC host triplet|x86_64-unknown-linux-gnu    |
 GCC target triplet|x86_64-unknown-linux-gnu    |
   Target Milestone|---                         |4.6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[fabien dot chene at gmail dot com]

------- Comment #3 from fabien dot chene at gmail dot com  2010-04-28 19:14 -------
patch here:
http://gcc.gnu.org/ml/gcc-patches/2010-04/msg01759.html


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[jarrydb at cse dot unsw dot edu dot au]

------- Comment #4 from jarrydb at cse dot unsw dot edu dot au  2010-04-29 21:57 -------
that fixes it for me on x86 and x86_64.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[jason at gcc dot gnu dot org]

------- Comment #5 from jason at gcc dot gnu dot org  2010-04-30 04:23 -------
Subject: Bug 43890

Author: jason
Date: Fri Apr 30 04:23:00 2010
New Revision: 158918

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158918
Log:
        PR c++/43890
        * init.c (diagnose_uninitialized_cst_or_ref_member): check for
        user-provided constructor while recursing.

Added:
    trunk/gcc/testsuite/g++.dg/init/pr43890.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/init.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890

[Bug c++/43890] [4.6 Regression] invalid uninitialized reference in class

[fabien dot chene at gmail dot com]

------- Comment #6 from fabien dot chene at gmail dot com  2010-05-11 16:41 -------
Fixed in rev 158918, committed by Jason.


-- 

fabien dot chene at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43890