Short: funcall() on swapped stuff dumps core
From: Matthew Julius <julius.2@wright.edu>
Date: Fri, 08 Jan 1999 16:29:08 -0500
Type: Bug
State: Fixed.

funcall(<swapped variable>) crashes the GD.  Specifically, with various
uses of symbol_variable().  I'm not sure if this extends to
funcall(<swapped function>)