Ui tests with compile_error resolved at call site

test_suite/tests/ui/malformed/trailing_expr.stderr

@@ -1,5 +1,10 @@
 error: expected `=`
  --> tests/ui/malformed/trailing_expr.rs:5:32
   |
+3 | #[derive(Serialize)]
+  |          --------- in this derive macro expansion
+4 | struct S {
 5 |     #[serde(skip_serializing_if, x.is_empty())]
   |                                ^
+  |
+  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)