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Hi Arnaud, Thanks for attaching those files. I'll take a look at them. Commit r153483 adds an option to the PBQP allocator, "-pbqp-dump-graphs", to dump the PBQP graph for each round of each function in a compilation unit. The generated files are named "<module id>.<function>.<round>.pbqpgraph", and contain a simple text representation of the PBQP graph.

Hi Lang, > From memory your target is not public, so I won't be able to reproduce > the crash myself. Is that correct? Correct. > If that's the case, I could add functionality to dump the PBQP graphs > during allocation. I think they should give me enough information to > debug the issue. Would you be able to share the PBQP graphs? I can share the pbqp graph if you send

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