bpo-32949: Better bytecodes for "with" statement.#5112

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markshannon wants to merge 6 commits intopython:masterfrom

markshannon:better-with-bytecodes

Commits on Mar 11, 2018

Produce cleaner bytecode for 'with' and 'async with' by generating separate code for normal and exceptional paths.

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Mark Shannon
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Update importlib

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Mark Shannon
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Remove unused bytecodes.

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Mark Shannon
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Update expected results for test_dis.

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Mark Shannon
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Fix frame.set_lineno to account for new SETUP_WITH and deleete obsolute PREDICTED().
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Commits on Mar 13, 2018

New bytecodes for 'with': Add news item and bump magic number.
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