compile.c: use correct key for block when loading serialized iseqs

* compile.c (iseq_build_from_ary_body): Use :blockptr instead of :block
  as hash key when loading serialized instruction sequences from arrays.
  [Bug ruby#9455] [ruby-core:60146]

git-svn-id: svn+ssh://svn.ruby-lang.org/ruby/trunk@44720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: Charlie Somerville

compile.c

@@ -5805,7 +5805,7 @@ iseq_build_from_ary_body(rb_iseq_t *iseq, LINK_ANCHOR *anchor,
 				VALUE vmid = rb_hash_aref(op, ID2SYM(rb_intern("mid")));
 				VALUE vflag = rb_hash_aref(op, ID2SYM(rb_intern("flag")));
 				VALUE vorig_argc = rb_hash_aref(op, ID2SYM(rb_intern("orig_argc")));
-				VALUE vblock = rb_hash_aref(op, ID2SYM(rb_intern("block")));
+				VALUE vblock = rb_hash_aref(op, ID2SYM(rb_intern("blockptr")));
 
 				if (!NIL_P(vmid)) mid = SYM2ID(vmid);
 				if (!NIL_P(vflag)) flag = NUM2ULONG(vflag);