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flowgraph.c: push_cold_blocks_to_end: Assertion `prev_instr' failed #120225
Description
Bug report
Bug description:
The following code causes a crash with cpython 3.13 (56a7e04) and with the current main branch (d68a22e)
async def name_4():
match b'':
case True:
pass
case name_5 if f'e':
{name_3: name_4 async for name_2 in name_5}
case []:
pass
[[]]output (Python 3.13.0b2+):
python: Python/flowgraph.c:2282: push_cold_blocks_to_end: Assertion `prev_instr' failed.I bisected the problem down to this commit 2091fb2.
@iritkatriel can you take a look at it?
CPython versions tested on:
3.13, CPython main branch
Operating systems tested on:
No response
Activity
iritkatriel commentedon Jun 7, 2024
Yes. Thank you.
pythongh-120225: fix crash in compiler on empty block at end of excep…
pythongh-120225: fix crash in compiler on empty block at end of excep…
gh-120225: fix crash in compiler on empty block at end of exception h…
pythongh-120225: fix crash in compiler on empty block at end of excep…
[3.13] gh-120225: fix crash in compiler on empty block at end of exce…
pythongh-120225: fix crash in compiler on empty block at end of excep…
pythongh-120225: fix crash in compiler on empty block at end of excep…