Supported nested invocations; handled unusable values when deducing attributes.
Refuse to produce guards without any usable deductions.
syspython-as-target
1#!/usr/bin/env python 2 3a=10# used in f default 4b=20# used in f default 5 6deff(a,b,c=a+b): 7returna+b+c 8 9result_33=f(1,2) 10 11# vim: tabstop=4 expandtab shiftwidth=4