[New-bugs-announce] [issue42635] Incorrect line number in bytecode for nested loops

[Mark Shannon]

New submission from Mark Shannon <mark at hotpy.org>:

The following code, when traced, produces a spurious line events at the end of the inner loop.


def dloop():
    for i in range(3):
        for j in range(3):
            a = i + j
    assert a == 4



Bug reported by Ned Batchelder https://gist.github.com/nedbat/6c5dedde9df8d2de13de8a6a39a5f112

----------
assignee: Mark.Shannon
messages: 382968
nosy: Mark.Shannon, nedbat
priority: normal
severity: normal
stage: needs patch
status: open
title: Incorrect line number in bytecode for nested loops
type: behavior
versions: Python 3.10

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue42635>
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