Deduce signature of generator on type mismatch#60592

Merged

bors merged 2 commits intorust-lang:masterfrom

davidtwco:generator-signature-deduction

May 7, 2019

Commits on May 6, 2019

Add test for current behaviour.
davidtwco
committed

Commits on May 7, 2019

Trust signature over return expr for generators.
davidtwco
committed