Error when using named argument on trailing macro body expansion #2139.

test/test_suite/macros/trailing_body_named.c3

@@ -0,0 +1,9 @@
+macro @foo(; @body(int arg))
+{
+	@body(arg: 0); // #error: Named arguments are not supported for body parameters
+}
+
+fn void main()
+{
+	@foo(; int arg) {};
+}