Closed
Description
When two items in the same documentation page have the same name, rustdoc generates duplicate HTML id attributes for them. This makes the HTML invalid, but more importantly, it makes it impossible to link to anything but the one that shows up first in the source.
For example, Vec's page contains multiple impls of IntoIterator, and therefore multiple HTML elements that have an id attribute of assoc_type.Item, assoc_type.IntoIter, and method.into_iter.
This is not limited to impls of the same trait, as different traits (and inherent impls) could define methods or associated types with the same name.