Prevent cast on pointer to union types

core/_preload.odin

@@ -381,7 +381,7 @@ Raw_Dynamic_Array :: struct #ordered {
 };
 
 Raw_Dynamic_Map :: struct #ordered {
-	hashes:  [...]int,
+	hashes:  [dynamic]int,
 	entries: Raw_Dynamic_Array,
 };
 

core/fmt.odin

@@ -140,7 +140,7 @@ buffer_write_type :: proc(buf: ^Buffer, ti: ^Type_Info) {
 		if info.params == nil {
 			buffer_write_string(buf, "()");
 		} else {
-			t := cast(^Tuple)info.params;
+			t := union_cast(^Tuple)info.params;
 			buffer_write_string(buf, "(");
 			for type, i in t.types {
 				if i > 0 { buffer_write_string(buf, ", "); }

core/types.odin

@@ -1,6 +1,6 @@
 is_signed :: proc(info: ^Type_Info) -> bool {
 	if is_integer(info) {
-		i := cast(^Type_Info.Integer)info;
+		i := union_cast(^Type_Info.Integer)info;
 		return i.signed;
 	}
 	if is_float(info) {