From 0ab78337736476d62233daecc777d5fbb74ef981 Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@gmail.com>
Date: Fri, 5 Sep 2025 12:35:45 -0700
Subject: [PATCH] ruby.c: Fallback FEATURE_BIT(jit) to FEATURE_BIT(zjit)

if it's the only JIT enabled in the build
---
 ruby.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ruby.c b/ruby.c
index 5a78a7c764..f64412a9cf 100644
--- a/ruby.c
+++ b/ruby.c
@@ -119,7 +119,11 @@ enum feature_flag_bits {
     EACH_FEATURES(DEFINE_FEATURE, COMMA),
     DEFINE_FEATURE(frozen_string_literal_set),
     feature_debug_flag_first,
+#if !USE_YJIT && USE_ZJIT
+    DEFINE_FEATURE(jit) = feature_zjit,
+#else
     DEFINE_FEATURE(jit) = feature_yjit,
+#endif
     feature_jit_mask = FEATURE_BIT(yjit) | FEATURE_BIT(zjit),
 
     feature_debug_flag_begin = feature_debug_flag_first - 1,