Inconsistent function comment cache_failure_intro_lookup
The cache_failure_intro_lookup function comment mentions that the intro_entry remains untouched when no entry is found in the rend failure cache. Yet the intro_entry variable is set to NULL right from the start.
We should find out if code depends on this behavior and make the behavior and comment consistent.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information