SB-C::STACK-ALLOCATE-DYNAMIC-EXTENT, SB-C::STACK-ALLOCATE-VECTOR,
and SB-C::STACK-ALLOCATE-VALUE-CELLS no longer exist. See documentation
and SB-EXT:*STACK-ALLOCATE-DYNAMIC-EXTENT* for details.
+ * optimization: runtime lookup of function definitions can be
+ elided in more cases, eg: (let ((x 'foo)) (funcall foo)).
* bug fix: fixed #427: unused local aliens no longer cause compiler
breakage. (reported by Stelian Ionescu, Andy Hefner and Stanislaw
Halik)