runtime: deallocate specials before deallocating the underlying object.
runtime: deallocate specials before deallocating the underlying object.

R=dvyukov
CC=golang-codereviews
https://codereview.appspot.com/48840043

pombredanne/go-deleteme,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,tv42/old-go,pombredanne/go-deleteme,tv42/old-go,tv42/old-go,tv42/old-go,pombredanne/go-deleteme,pombredanne/go-deleteme,tv42/old-go,pombredanne/go-deleteme,tv42/old-go