ltrace functionality doesn't work if there is an exception set

[pablogsal]

BPO	44472
Nosy	@ambv, @pablogsal, @miss-islington
PRs	bpo-44472: Fix ltrace functionality when exceptions are raised #26822 [3.10] bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) #26830 [3.9] bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) #26831

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2021-06-21.15:25:49.615>
created_at = <Date 2021-06-21.10:18:55.054>
labels = []
title = "ltrace functionality doesn't work if there is an exception set"
updated_at = <Date 2021-07-13.08:43:58.614>
user = 'https://github.com/pablogsal'

bugs.python.org fields:

activity = <Date 2021-07-13.08:43:58.614>
actor = 'pablogsal'
assignee = 'none'
closed = True
closed_date = <Date 2021-06-21.15:25:49.615>
closer = 'pablogsal'
components = []
creation = <Date 2021-06-21.10:18:55.054>
creator = 'pablogsal'
dependencies = []
files = []
hgrepos = []
issue_num = 44472
keywords = ['patch']
message_count = 4.0
messages = ['396220', '396252', '397323', '397388']
nosy_count = 3.0
nosy_names = ['lukasz.langa', 'pablogsal', 'miss-islington']
pr_nums = ['26822', '26830', '26831']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue44472'
versions = []

[pablogsal]

Using lltrace results in this crash because we are getting the repl with an exception set:

pop None
Assertion failed: (!_PyErr_Occurred(tstate)), function PyObject_Repr, file Objects/object.c, line 431.
pop Fatal Python error: Aborted

Current thread 0x00000001060eddc0 (most recent call first):
File "/Users/pgalindo3/github/cpython/Lib/test/test_sys_settrace.py", line 1999 in gen
File "/Users/pgalindo3/github/cpython/Lib/test/test_sys_settrace.py", line 2001 in test_jump_from_yield
File "/Users/pgalindo3/github/cpython/Lib/test/test_sys_settrace.py", line 1248 in run_test
File "/Users/pgalindo3/github/cpython/Lib/test/test_sys_settrace.py", line 1276 in test
File "/Users/pgalindo3/github/cpython/Lib/unittest/case.py", line 549 in _callTestMethod
File "/Users/pgalindo3/github/cpython/Lib/unittest/case.py", line 592 in run
File "/Users/pgalindo3/github/cpython/Lib/unittest/case.py", line 652 in __call__
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 122 in run
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 84 in __call__
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 122 in run
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 84 in __call__
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 122 in run
File "/Users/pgalindo3/github/cpython/Lib/unittest/suite.py", line 84 in __call__
File "/Users/pgalindo3/github/cpython/Lib/unittest/runner.py", line 176 in run
File "/Users/pgalindo3/github/cpython/Lib/test/support/init.py", line 960 in _run_suite
File "/Users/pgalindo3/github/cpython/Lib/test/support/init.py", line 1083 in run_unittest
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/runtest.py", line 210 in _test_module
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/runtest.py", line 246 in _runtest_inner2
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/runtest.py", line 282 in _runtest_inner
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/runtest.py", line 154 in _runtest
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/runtest.py", line 194 in runtest
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/main.py", line 423 in run_tests_sequential
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/main.py", line 521 in run_tests
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/main.py", line 694 in _main
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/main.py", line 641 in main
File "/Users/pgalindo3/github/cpython/Lib/test/libregrtest/main.py", line 719 in main
File "/Users/pgalindo3/github/cpython/Lib/test/main.py", line 2 in <module>
File "/Users/pgalindo3/github/cpython/Lib/runpy.py", line 86 in _run_code
File "/Users/pgalindo3/github/cpython/Lib/runpy.py", line 196 in _run_module_as_main

[pablogsal]

New changeset 06cda80 by Pablo Galindo in branch 'main':
bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822)
06cda80

[ambv]

New changeset 6fb4248 by Miss Islington (bot) in branch '3.9':
bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) (bpo-26831)
6fb4248

[pablogsal]

New changeset 4a0f1df by Miss Islington (bot) in branch '3.10':
bpo-44472: Fix ltrace functionality when exceptions are raised (GH-26822) (GH-26830)
4a0f1df