Add assertion to `RVALUE` size

6cf99d12 · KOBAYASHI Shuji · 56f9106d · 6cf99d12
Commit 6cf99d12 authored Nov 23, 2019 by KOBAYASHI Shuji
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src/gc.c src/gc.c +3 -0

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--- a/src/gc.c
+++ b/src/gc.c
@@ -1609,6 +1609,9 @@ 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());