Basically, something weird happens if an member of an object is created and accessed in a oneliner. The memory access seems scrambled, such that the outcome is either 0, close to 0 or the actual value.
Even worse when compiling the library with SIP 4.19.x the import of the python library segfaults.
The latest working version for it was SIP 4.16.7
Does somebody have an idea how this might happen and what to do to fix it?