Fix so that rethrow is detected as well.

src/compiler/sema_expr.c

@@ -9197,6 +9197,10 @@ static inline bool sema_expr_analyse_rethrow(SemaContext *context, Expr *expr, T
 									context->call_env.current_function->name,
 									type_quoted_error_string(context->rtype));
 		}
+		if (context->call_env.is_naked_fn)
+		{
+			RETURN_SEMA_ERROR(expr, "Rethrow is not allowed in a '@naked' function.");
+		}
 	}
 	return true;
 }

test/test_suite/asm/naked_rethrow.c3

@@ -0,0 +1,13 @@
+import std;
+fn void main()
+{
+	(void)test();
+}
+
+
+fn ulong? test() @naked @noinline
+{
+	int? z;
+	z!; // #error: Rethrow is not allowed in a '@naked' function
+	unreachable();
+}