PR #4582 Metadata cache optimizations

Type metadata for a class isn't necessarily ClassMetadata; it could

rjmccall committed 9 years ago

Remove the linked list through metadata caches, since LLDB is

rjmccall committed 9 years ago

Simplify and optimize the structural type metadata caches to use ConcurrentMap directly.

rjmccall committed 9 years ago

swift Metadata cache optimizations #4582 Merged