plist trick only matters for split*

pike.c

@@ -464,6 +464,11 @@ if (--csub->ref == 0) { \
 		list[listidx++].pc = pc; \
 		goto rec_check##nn; \
 	} \
+	switch(*pc) { \
+	case JMP: \
+		pc += 2 + pc[1]; \
+		goto rec##nn; \
+	case SPLIT: \
 		if(plist[pc - insts] == gen) { \
 			dec_check##nn: \
 			decref(sub) \
@@ -476,11 +481,6 @@ if (--csub->ref == 0) { \
 			continue; \
 		} \
 		plist[pc - insts] = gen; \
-	switch(*pc) { \
-	case JMP: \
-		pc += 2 + pc[1]; \
-		goto rec##nn; \
-	case SPLIT: \
 		subs[i] = sub; \
 		sub->ref++; \
 		pc += 2; \