[issue45838] Incorrect line numbers in GDB Python backtraces [3.9]

Łukasz Langa added the comment: Thanks, Sam! ✨  ✨ -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue45838] Incorrect line numbers in GDB Python backtraces [3.9]

Łukasz Langa added the comment: New changeset 2a32dbf110cf80ec9a00290ea6bc84f409948cb0 by Sam Gross in branch '3.9': [3.9] bpo-45838: Fix incorrect line numbers in Tools/gdb/libpython.py (GH-29628) https://github.com/python/cpython/commit/2a32dbf110cf80ec9a00290ea6bc84f409948cb0 --

[issue45838] Incorrect line numbers in GDB Python backtraces [3.9]

Change by Sam Gross : -- keywords: +patch pull_requests: +27860 stage: -> patch review pull_request: https://github.com/python/cpython/pull/29628 ___ Python tracker ___

[issue45838] Incorrect line numbers in GDB Python backtraces [3.9]

New submission from Sam Gross : Starting in Python 3.6 the line numbers table contains a *signed* byte indicating line delta. The calculation in Tools/gdb/libpython.py was not updated to handle signed bytes leading to incorrect line numbers when running "py-bt" (or printing frames) in GDB.