From e50590a54163b5f88dc78b33e7d06bc428cad25a Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Fri, 5 Apr 2024 16:13:57 -0400
Subject: [PATCH] Assert that Symbol#inspect returns a T_STRING

---
 string.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/string.c b/string.c
index ecd6b97f88..b656f7ab0d 100644
--- a/string.c
+++ b/string.c
@@ -11763,6 +11763,9 @@ sym_inspect(VALUE sym)
         RB_GC_GUARD(orig_str);
     }
     dest[0] = ':';
+
+    RUBY_ASSERT(BUILTIN_TYPE(str) == T_STRING);
+
     return str;
 }