[cfe-dev] Illegal instruction problem

[Philip Ashmore]

Sorry - you need to git-clone the projects:

git clone git://v3c.git.sourceforge.net/gitroot/v3c/v3c
git clone git://treedb.git.sourceforge.net/gitroot/treedb/treedb

Philip

On 28/11/11 02:02, Philip Ashmore wrote:
> Hi there.
>
> I've just committed new versions of some of my packages in SourceForge:
>
> v3c-2.2.0-01
> treedb-1.2.0-02
> meta-treedb-1.3.0-03
>
> I've got a problem with the release build (which uses -03 optimisation)
> of treedb.
>
> The "fuse" tests fail with an illegal instruction fault.
>
> This is with llvm/clang 2.9.svn-r145196.
>
> They work fine with the debug build (-O0 optimisation).
>
> Debug and release builds test fine with gcc.
>
> I made a lot of changes to get this to even compile with clang, as it's
> more picky,
> and this process helped me clean up warnings and even find the odd bug.
>
> I know you'd prefer if I provided stand-alone code to demonstrate the
> problem, but
> building and installing v3c (which treedb needs) with treedb in a
> "sandbox" takes
> about 5 minutes on a modern machine, and that includes the time to
> download them
> from SourceForge.
>
> The problem is reproducible.
> "$" denotes the command prompt for typing commands
>
> STEPS:
>
> 1. install fuse-dev
>      The fuse tests need fuse-dev installed or they will be skipped.
> 2. download and unpack v3c and treedb from SourceForge.
> 3. type
>
>      $ v3c_default_build_mode=release bash v3c/v3c-tryout treedb-1.2.0-02
> tryout
>
>      from the directory that contains the v3c and treedb directories.
>
> 4. When it's done type
>
>      $ tryout/enter-env
>
>      which will take you into a shell with the environment set up to play
> around.
>      You'll notice that the command prompt changes to remind you you're
> in a sandbox.
>
> 5. Then type
>
>      $ cd treedb-1.2.0-02; make release check
>
> and after a minute or two you'll get to the error.
>
> Regards,
> Philip Ashmore
>
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev