support theap for T_OBJECT.
variable.c: now instance variable space has theap supports. obj_ivar_heap_alloc() tries to acquire memory from theap.
debug_counter.h: add some counters for theap.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
support theap for T_OBJECT.
variable.c: now instance variable space has theap supports.
obj_ivar_heap_alloc() tries to acquire memory from theap.
debug_counter.h: add some counters for theap.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e