This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [lto] Reader-writer compatibility?
On Tue, Sep 1, 2009 at 14:32, Frank Ch. Eigler<fche@redhat.com> wrote:
> Ryan Mansfield <rmansfield@qnx.com> writes:
>
>> The objects were created with rev 151111 and being read using 151271.
>> No, I can't reproduce the ICE using the same version.
>> Thanks for confirming this is not expected to work.
>
> Is it the intent that this work properly in the future?
Yes. We likely want to maintain streamer compatibility within the
same major release. I actually don't think we'll change the bytecode
format too much. It will mostly depend on how much gimple changes in
a single release.
Clearly, we need better version drift detection.
Diego.