--HG--
rename : tests/bugs/extended_unpacking_T235.pyx => tests/run/extended_unpacking_T235.pyx

refactored 'starred' status into a separate node to support syntax error handling outside of assignments

This silents GCC warnings (in 64 bits) about casting integer to pointer of different size.

cast result of "sizeof()" to "int" in testcase, silents GCC warnings about signed/unsigned comparisons

(messy, despite transplant)