swift

7a7b4fcc - Sema: Eagerly resolve typealiases in protocol extensions in ::Structural mode

Sema: Eagerly resolve typealiases in protocol extensions in ::Structural mode We resolve protocol typealiases to DependentMemberTypes because the Requirement Machine treats them as rewrite rules. However, it doesn't do this for typealiases in protocol extensions. Fixes rdar://problem/94150249.