copyfile("proc" ..) smashes the source PROC

[masinter]

(COPYFILE "PROC" "compile/PROC" wound up smashing the source file. no other file in sources had the problem.

Because COPYFILE has an odd construct with two DIRECTORY overrides in it and also DIRECTORYNAMEP("PROC") is T Because ....

[nbriggs]

If you did this in medley/sources then it's no wonder there's a problem because "compile" is the name of a file so you can't use it as a directory to copy into...