From 4c2fc88b2114045f496a0cd2743b7984d113e274 Mon Sep 17 00:00:00 2001
From: Jemma Issroff <jemmaissroff@gmail.com>
Date: Wed, 20 Sep 2023 11:05:45 -0400
Subject: [PATCH] [YARP] Pop AliasNode when appropriate (#8466)

---
 yarp/yarp_compiler.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/yarp/yarp_compiler.c b/yarp/yarp_compiler.c
index 51c769d30d..b6f453c906 100644
--- a/yarp/yarp_compiler.c
+++ b/yarp/yarp_compiler.c
@@ -541,10 +541,15 @@ yp_compile_node(rb_iseq_t *iseq, const yp_node_t *node, LINK_ANCHOR *const ret,
           ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_VMCORE));
           ADD_INSN1(ret, &dummy_line_node, putspecialobject, INT2FIX(VM_SPECIAL_OBJECT_CBASE));
 
-          YP_COMPILE(alias_node->new_name);
-          YP_COMPILE(alias_node->old_name);
+          YP_COMPILE_NOT_POPPED(alias_node->new_name);
+          YP_COMPILE_NOT_POPPED(alias_node->old_name);
 
           ADD_SEND(ret, &dummy_line_node, id_core_set_method_alias, INT2FIX(3));
+
+          if (popped) {
+              ADD_INSN(ret, &dummy_line_node, pop);
+          }
+
           return;
       }
       case YP_AND_NODE: {