From d6dd6f0e7bb8977ed97a032256d34033ac15905a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 20 Sep 2021 19:13:17 +0900
Subject: Update `struct` initializer to work with relatively older `C++`.

---
 src/class.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/class.c')

diff --git a/src/class.c b/src/class.c
index 402a70f6a..fdf63794b 100644
--- a/src/class.c
+++ b/src/class.c
@@ -1698,8 +1698,10 @@ mrb_define_module_function(mrb_state *mrb, struct RClass *c, const char *name, m
 static void
 mc_clear(mrb_state *mrb)
 {
+  static const struct mrb_cache_entry ce_zero ={0};
+
   for (int i=0; i<MRB_METHOD_CACHE_SIZE; i++) {
-    mrb->cache[i] = (struct mrb_cache_entry){0};
+    mrb->cache[i] = ce_zero;
   }
 }
 
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