From d1fb6595475707986356fd2533fa3f2a650ea39b Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Tue, 15 Nov 2022 14:50:12 -0800
Subject: [PATCH] YJIT: Count getivar side exits by receiver flag changes
 (#6735)

---
 yjit/src/codegen.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/yjit/src/codegen.rs b/yjit/src/codegen.rs
index 72488f399c..6a3f0a3c36 100644
--- a/yjit/src/codegen.rs
+++ b/yjit/src/codegen.rs
@@ -2051,6 +2051,7 @@ fn gen_get_ivar(
     asm.comment("guard shape, embedded, and T_OBJECT");
     let flags_opnd = asm.and(flags_opnd, Opnd::UImm(expected_flags_mask as u64));
     asm.cmp(flags_opnd, Opnd::UImm(expected_flags as u64));
+    let megamorphic_side_exit = counted_exit!(ocb, side_exit, getivar_megamorphic).into();
     jit_chain_guard(
         JCC_JNE,
         jit,
@@ -2058,7 +2059,7 @@ fn gen_get_ivar(
         asm,
         ocb,
         max_chain_depth,
-        side_exit,
+        megamorphic_side_exit,
     );
 
     match ivar_index {