Forget about a constant variable after makunbound.
commit355d1c3145bc0e48cd0f6cd7e990898764f5de18
authorStas Boukarev <stassats@gmail.com>
Sun, 31 Jan 2016 18:06:27 +0000 (31 21:06 +0300)
committerStas Boukarev <stassats@gmail.com>
Sun, 31 Jan 2016 18:06:27 +0000 (31 21:06 +0300)
treec389445fe3125b5a823e51710917a5139b64e1ec
parentbf35989252f3543b191ce5ea21845195c8b72bdf
Forget about a constant variable after makunbound.

MAKUNBOUND provides a restart for unbinding constants, but then it
breaks down when trying to use it again.
src/code/symbol.lisp
tests/symbol.impure.lisp