* lib/set.rb (class SortedSet): Fix source_location for methods defined via eval.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43808 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* gc.c: Rename heap_pages_swept_num to heap_pages_swept_slots to clarify meaning (number of slots, not pages).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43809 b2dd03c8-39d4-4d8f-98ff-823fe69b080e