[issue17611] Move unwinding of stack for "pseudo exceptions" from interpreter to compiler.

[Antoine Pitrou]

Antoine Pitrou added the comment:

> END_ITER is a synonym for JUMP_ABSOLUTE. It is needed so that frame.set_lineno() can identify loop blocks.

I was thinking about this. Isn't it enough to consider all backwards edges as ending a loop block?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue17611>
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