ASDF:LOAD-ASD does not fail on non-existent paths
ASDF:LOAD-ASD
does not fail when I give it non-existent paths. For example:
$ sbcl --noinform
* (require :asdf)
("ASDF" "asdf" "UIOP" "uiop")
* (asdf:asdf-version)
"3.3.1"
* (asdf:load-asd "/bla/bla/bla")
#<ASDF/FIND-SYSTEM:DEFINE-OP >
#<ASDF/PLAN:SEQUENTIAL-PLAN {10027E94B3}>
*