Add a test case for mutation of two intertwined variables
Add a test case for mutation of two intertwined variables

rewrite.py: Add a test case for the (not quite right) behavior
we expect when modifying inner array in 'b = []; a = [b]'.

jbaayen/reinteract,johnrizzo1/reinteract,jbaayen/reinteract,alexey4petrov/reinteract,rschroll/reinteract,alexey4petrov/reinteract,johnrizzo1/reinteract,rschroll/reinteract,rschroll/reinteract,jbaayen/reinteract,alexey4petrov/reinteract,johnrizzo1/reinteract