[squeak-dev] The Trunk: Kernel-nice.746.mcz

David T. Lewis lewis at mail.msen.com
Sun Mar 10 20:14:22 UTC 2013


On Sun, Mar 10, 2013 at 09:01:59PM +0100, Nicolas Cellier wrote:
> 2013/3/10 David T. Lewis <lewis at mail.msen.com>:
> > On Sun, Mar 10, 2013 at 06:53:11PM +0000, commits at source.squeak.org wrote:
> >> Nicolas Cellier uploaded a new version of Kernel to project The Trunk:
> >> http://source.squeak.org/trunk/Kernel-nice.746.mcz
> >>
> >> ==================== Summary ====================
> >>
> >> Name: Kernel-nice.746
> >> Author: nice
> >> Time: 10 March 2013, 7:52:48.738 pm
> >> UUID: 0f9d411b-68a9-49eb-b37a-1bc4fb8fa36d
> >> Ancestors: Kernel-bf.744
> >>
> >> Fix ClassBuilder which previously failed to flush the cache of old CompiledMethod when the class changes of format.
> >> This failure to invoke primitive 116 can lead to COG VM crash (a cogit jitted method is not unlinked).
> >> This does not affect old interpreter which clear the caches thru primitive 119.
> >> It is essential that the newClass points to identity-preserved CompiledMethods of oldClass methodDictionary before recompiling so that primitive 116 be correctly invoked, particularly we must not clear methodDictionary with a MethodDictionary new..
> >>
> >
> > Really good job of debugging to find this problem and fix it :)
> >
> > Dave
> >
> 
> :(
> Il ne faut pas vendre la peau de l'ours avant de l'avoir tu?.
> My last attempt to update a Squeak 4.4 image just failed while loading
> Compiler-nice.256...
> 
> Nicolas

Well, I see that the bear is putting up a good fight ;)

Dave



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