[New-bugs-announce] [issue3973] Invalid line number in Exception traceback with header # -*- coding: xxx -*-

[STINNER Victor]

New submission from STINNER Victor <victor.stinner at haypocalc.com>:

Short example:
---
# -*- coding: ASCII -*-
raise Exception("line 2")
---

Result:
----
Traceback (most recent call last):
  File "plop.py", line 3, in <module>

Exception: line 2
----

The problem is around newtracebackobject() which calls 
PyCode_Addr2Line(). It maybe a bug is frame->co_lnotab generation.

This bus is specified to python3 (trunk).

----------
messages: 73841
nosy: haypo
severity: normal
status: open
title: Invalid line number in Exception traceback with header # -*- coding: xxx -*-
versions: Python 3.0

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3973>
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