From e4662d77e75de4cc6d8e98e56bb0395cbbedbaf7 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 3 Nov 2017 01:59:08 +0900
Subject: Should not use `FSHARED` state for string from `irep` pools; fix
 #3829

This strings in `irep` pools may be freed forcefully in `mrb_irep_free`.
This commit probably fixes #3817 as well.
---
 src/state.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/state.c')

diff --git a/src/state.c b/src/state.c
index 44bcc0656..f4e63ab84 100644
--- a/src/state.c
+++ b/src/state.c
@@ -11,6 +11,7 @@
 #include <mruby/variable.h>
 #include <mruby/debug.h>
 #include <mruby/string.h>
+#include <mruby/class.h>
 
 void mrb_init_core(mrb_state*);
 void mrb_init_mrbgems(mrb_state*);
@@ -222,6 +223,7 @@ mrb_str_pool(mrb_state *mrb, mrb_value str)
       ns->as.heap.ptr[len] = '\0';
     }
   }
+  RSTR_SET_POOL_FLAG(ns);
   MRB_SET_FROZEN_FLAG(ns);
   return mrb_obj_value(ns);
 }
-- 
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