Expected output of as-pattern test

(cherry picked from commit 7233638b)

Expected output of as-pattern test
19be8de8 · Gergő Érdi · Austin Seipp · 87504d68 · 19be8de8
Commit 19be8de8 authored 11 years ago by Gergő Érdi Committed by Austin Seipp 10 years ago
--- a/testsuite/tests/patsyn/should_fail/as-pattern.stderr
+++ b/testsuite/tests/patsyn/should_fail/as-pattern.stderr
+as-pattern.hs:4:18:
+    Pattern synonym definition cannot contain as-patterns (@):
+      x@(Just y)