Incorrect optimized (-O2) linked list code with 4.3.2

[Andrew Haley]

On 09/13/2011 07:44 AM, pavan tc wrote:
> On Mon, Sep 12, 2011 at 2:50 PM, Andrew Haley <aph@redhat.com> wrote:
>> On 09/12/2011 09:10 AM, pavan tc wrote:
>>
>>> Please let me know if any more details about this behaviour are required.
>>> I'll be glad to provide them.
>>
>> This is not appropriate for the gcc list, which is about the development
>> of gcc itself.
>>
>> Please send a full test case that we can compile.
> 
> Hi Andrew,
> 
> Thanks for your response and for routing the request to the right alias.
> 
> Well, it not a small program. You can try pulling the git:
> git://github.com/gluster/glusterfs.git
> 
> Compilation instructions:
> 
> 1. cd $GITDIR
> 2. ./autogen.sh
> 3. CFLAGS="-g -O2" ./configure
> [If step 3 fails for the want of python ctypes, go to step 4]
> 4. CFLAGS="-g -O2" ./configure --disable-georeplication
> 5. make
> 
> The function you will need to disassemble:
> mem_pool_new_fn
> 
> The library that has this function defined:
> libglusterfs.so.0
> Location: $GITDIR/libglusterfs/src/.libs/libglusterfs.so.0
> 
> Let me know if you need more information.

I've had a look, and it's very hard to disentangle.  Firstly, 4.3 is old.
You're not likely to find anyone who wants to fix it.  Please try with a
current release of gcc and if it still breaks we'll need you to prepare a
test case.

Andrew.