Fix a static assertion incompatible with C++98 (ruby#14229)

k0kubun · web-flow · commit 9bbd24977d95 · 2025-08-14T14:52:59.000-07:00
diff --git a/include/ruby/internal/core/rtypeddata.h b/include/ruby/internal/core/rtypeddata.h
@@ -375,7 +375,9 @@ struct RTypedData {
     void *data;
 };
 
+#if !defined(__cplusplus) || __cplusplus >= 201103L
 RBIMPL_STATIC_ASSERT(data_in_rtypeddata, offsetof(struct RData, data) == offsetof(struct RTypedData, data));
+#endif
 
 RBIMPL_SYMBOL_EXPORT_BEGIN()
 RBIMPL_ATTR_NONNULL((3))
