src/module-parse.lisp (parse-class-body): Check for duplicate superclasses.
authorMark Wooding <mdw@distorted.org.uk>
Mon, 9 Jul 2018 12:04:38 +0000 (13:04 +0100)
committerMark Wooding <mdw@distorted.org.uk>
Mon, 9 Jul 2018 12:09:58 +0000 (13:09 +0100)
commit0c289c54fb0a31491aa1d2b030851337430ccd71
tree59505e66aa5cfd886f1e3d35c0129753afe203f8
parentd1c01c331ae3f2994d65b9d41655b0d4f2fcbf3d
src/module-parse.lisp (parse-class-body): Check for duplicate superclasses.

It turns out that this is a thing that can happen.  Catch it early
rather than waiting for a less helpful message during CPL construction.
src/module-parse.lisp