Verifying two interpreter engines with one test suite

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Crosscheck, my cross-engine testing framework for Memphis , had been sitting atop my writing to-do list for a while. Instead, I deleted it and replaced it. Memphis can now test itself across all engines. What does this mean? I can verify the treewalk interpreter and bytecode VM interpreter produce the same results (return value or symbol table entries) for a given snippet of Python. This…

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