From ee0eca191f3ca486b6056234add436a8c1488dba Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Thu, 30 Nov 2023 14:48:26 -0500
Subject: Make String#undump compaction safe

---
 string.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'string.c')

diff --git a/string.c b/string.c
index 8af608047a..9da5708964 100644
--- a/string.c
+++ b/string.c
@@ -7231,6 +7231,8 @@ str_undump(VALUE str)
         }
     }
 
+    RB_GC_GUARD(str);
+
     return undumped;
 invalid_format:
     rb_raise(rb_eRuntimeError, "invalid dumped string; not wrapped with '\"' nor '\"...\".force_encoding(\"...\")' form");
-- 
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