Fix smaller issues with invalid placeholder type errors#70369

Merged

bors merged 2 commits intorust-lang:masterfrom estebank:bad-placeholder-in-where

Mar 25, 2020

+75-81

Commits on Mar 24, 2020

Fix placement of suggested generic param when bounds are present
estebank
committed

Commits on Mar 25, 2020

Reduce error duplication for invalid placeholder types in fn types
estebank
committed