Thanks a lot for the fix! I looked at it, it works, but it's slightly subtle and...
OK so using that clisp, all tests pass (slowly). But since it's a heisenbug, it could...
Also, I seem to be lacking access rights and can't change the bug title.
I tried adding --with-debug CC='g++' and it failed to compile: > form: (nth-prime...
Wow, in my scripts #p"ASDF:test;" is parsed correctly, but not at the SLIME command-line....
Regarding #2, here are (COMPILE-FILE '#P"ASDF:TEST;LOGICAL-FILE.LISP.NEWEST" ':OUTPUT-FILE...
Regarding 2, the merging seems to go wrong: The directory seems to be wholly taken...
Final note: it is probably a bad thing to call logical pathnames "portable pathnames"....