From c849b894edbf5bb170721e836bbef514fb74d074 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Sat, 8 Aug 2020 10:39:26 +0900
Subject: Reintroduce `mrb_static_assert`; #5051

Note that the home brew version of `mrb_static_assert` only works within
the function body.  This reverts commit 8f99689.
---
 src/gc.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/gc.c')

diff --git a/src/gc.c b/src/gc.c
index 64e0b3eae..be812c4d3 100644
--- a/src/gc.c
+++ b/src/gc.c
@@ -1619,6 +1619,9 @@ mrb_init_gc(mrb_state *mrb)
 {
   struct RClass *gc;
 
+  mrb_static_assert(sizeof(RVALUE) <= sizeof(void*) * 6,
+                    "RVALUE size must be within 6 words");
+
   gc = mrb_define_module(mrb, "GC");
 
   mrb_define_class_method(mrb, gc, "start", gc_start, MRB_ARGS_NONE());
-- 
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