[issue19780] Pickle 4 frame headers optimization

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Frames are not overlapped. And no one opcode straddles frame boundaries. When an implementation supports optional frames, it should support optimized frames as well.

All tests are passed with this optimization except test_optional_frames which hacks pickled data to remove some frame opcodes. This test relied on implementation details.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19780>
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