commit - 64b0e82ab315572742f93f9789c5c6d16e4c4607
commit + 94789649be6f26cab9f2868a5de2cf7464d1659f
blob - bea6a8aacde8acc2be2061524fbcaa04da88d369
blob + 3c78f7ba91c38db20fbc56f1274794b4e40dc81c
--- cc/irc/irc.c
+++ cc/irc/irc.c
@@ -2619,6 +2619,7 @@ struct expr *e;
 }
 
 // phi's are crazy. I'm surprised this actually works.
+// You are not expected to understand this.
 check_phi (fn, from, to)
 struct func *fn;
 struct ir *from;