On 26/12/15 20:13, David Chisnall wrote: > Rereading the assembly, there was one obvious bug. Can you rerun the tests > and see if this fixes it? If not, then there are likely some less-obvious > bugs hiding.
So after some investigation, I've found that libobjc2 start crashing after this commit: https://github.com/gnustep/libobjc2/commit/51071302779fdf6231fa75de133de34bd3efd171 It crashes exactly in the moment of objc_msgSend being called. For some reason it corrupt call stack; obviously, there is kind of overflow bug, or something like that. Even though comment to that commit say " Currently, every objc_msgSend() implementation except for x86-64 is broken", it's not completely clear to me what exactly was done by that commit. I'd very appreciate if you could explain and somehow advise me. -- Dmitry Moskalchuk
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