# This script fails with a C assertion failure when assertions are enabled. # # I ran this through Python built from source with assertions enabled: # # ./configure --with-assertions --prefix "$PWD/debugbuild" # make -j12 altinstall # ./debugbuild/bin/python/crash2.py # # I ran this on ARM64 macOS: # # Darwin dialectic.local 23.1.0 Darwin Kernel Version 23.1.0: Mon Oct 9 21:27:24 PDT 2023; root:xnu-10002.41.9~6/RELEASE_ARM64_T6000 arm64 # Input found via the fuzz target added in https://github.com/python/cpython/pull/111721, then manually minimized s = b"with(0,,):\n\x01" # This line fails with a C assertion failure: # # fuzz_pycompile: Objects/call.c:342: PyObject *_PyObject_Call(PyThreadState *, PyObject *, PyObject *, PyObject *): Assertion `!_PyErr_Occurred(tstate)' failed. # compile(s, 's', 'exec')