Mark Shannon <m...@hotpy.org> added the comment:
Thanks Ned, that's really helpful. I'll go through those points:
Code after break/continue is no longer compiled.
Expected
First line number of modules
Expected
Except clause when no exception
https://bugs.python.org/issue42634
Double loops (this also covers End-of-loop jumps, I think)
https://bugs.python.org/issue42635
I want to merge https://github.com/python/cpython/pull/23743 before I fix any
of the others, but here is a summary of what I think are the root causes.
if-break
Exit block duplication does not preserve line number of jump to final block
Finally handling
Combination of two things. Not preserving line numbers when performing
jump-to-jump elimination and not marking try cleanup code as artificial.
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<https://bugs.python.org/issue42246>
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