Examine lifetimes in `OpaqueDef` bounds as well
Examine lifetimes in `OpaqueDef` bounds as well

Fix #7893.

aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust