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AssertionError when running profile on code containing generator expression #110514
Description
Bug report
Bug description:
Bisected to 411b169.
Minimal repro (save it to file and run as python -m profile script.py):
next(i for i in range(10))Output:
Exception ignored in: <generator object <genexpr> at 0x7f48fac29010>
Traceback (most recent call last):
File "/home/radislav/projects/cpython/Lib/profile.py", line 209, in trace_dispatch_i
if self.dispatch[event](self, frame, t):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/radislav/projects/cpython/Lib/profile.py", line 293, in trace_dispatch_return
assert frame is self.cur[-2].f_back, ("Bad return", self.cur[-3])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: ('Bad return', ('script.py', 1, '<module>'))
5 function calls in 0.114 seconds
Ordered by: standard name
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.000 0.000 0.114 0.114 :0(exec)
1 0.000 0.000 0.000 0.000 :0(next)
1 0.000 0.000 0.114 0.114 profile:0(<code object <module> at 0x7f48faba08c0, file "script.py", line 1>)
0 0.000 0.000 profile:0(profiler)
1 0.000 0.000 0.000 0.000 script.py:1(<genexpr>)
1 0.114 0.114 0.114 0.114 script.py:1(<module>)
CPython versions tested on:
3.12, CPython main branch
Operating systems tested on:
Linux
Activity
chgnrdv commentedon Oct 8, 2023
cc @markshannon
gaogaotiantian commentedon Oct 8, 2023
This is very similar to #106152. Should've caught it back then. Fix PR is made.
gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524)
pythongh-110514: Add PY_THROW to `sys.setprofile` events (pythonGH-11…
[3.12] gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524) (…
pythongh-110514: Add PY_THROW to `sys.setprofile` events (pythonGH-11…