Add assertion to RVALUE size

shuujii · shuujii · commit 6cf99d12ac17 · 2019-11-23T17:36:46.000+09:00
diff --git 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());

Original file line number	Diff line number	Diff line change
`@@ -1609,6 +1609,9 @@ mrb_init_gc(mrb_state *mrb)`
`1609`	`1609`	`{`
`1610`	`1610`	`struct RClass *gc;`
`1611`	`1611`
	`1612`	`+ mrb_static_assert(sizeof(RVALUE) <= sizeof(void) 6,`
	`1613`	`+ "RVALUE size must be within 6 words");`
	`1614`	`+`
`1612`	`1615`	`gc = mrb_define_module(mrb, "GC");`
`1613`	`1616`
`1614`	`1617`	`mrb_define_class_method(mrb, gc, "start", gc_start, MRB_ARGS_NONE());`