bors 3e7f501991 Auto merge of #45620 - ollie27:rustdoc_impl_generic_dupe, r=QuietMisdreavus
rustdoc: Fix duplicated impls with generics

The same type can appear multiple times in impls so we need to use a set
to avoid adding it multiple times.

Fixes: #45584
2017-11-07 07:24:13 +00:00
..
2017-11-06 13:03:06 -05:00