Disable GC during hacked calls to PyType_Ready() that simulate a heap type for an actual non-heap type, because it can lead to crashes if GC visits such a hacked type. Closes https://github.com/cython/cython/issues/3603
Disable GC during hacked calls to PyType_Ready() that simulate a heap type for an actual non-heap type, because it can lead to crashes if GC visits such a hacked type.
Closes https://github.com/cython/cython/issues/3603

cython/cython,scoder/cython,scoder/cython,da-woods/cython,cython/cython,scoder/cython,scoder/cython,cython/cython,da-woods/cython,cython/cython,da-woods/cython,da-woods/cython