tree 718f2cceafa336d8a330399d2c73a59c64a0ca30
parent 7b8349ac747c6a24702b762d2c4fd9266cf4f1d6
author Gustavo Niemeyer <gustavo@niemeyer.net> 1562607426 +0100
committer Gustavo Niemeyer <gustavo@niemeyer.net> 1569870561 +0100

Add logic to catch cases of alias abuse.

Backport of caeefd8.