Test type inference for set operations
Test type inference for set operations

brettcannon/Pyjion,brettcannon/Pyjion,DinoV/Pyjion-1,brettcannon/Pyjion,Microsoft/Pyjion,DinoV/Pyjion-1,Microsoft/Pyjion,DinoV/Pyjion-1,Microsoft/Pyjion,DinoV/Pyjion-1,Microsoft/Pyjion