Update output

1f9e3747 · Ian Lynagh · 92bca1a8 · 1f9e3747
Commit 1f9e3747 authored Mar 16, 2008 by Ian Lynagh
--- a/testsuite/tests/ghc-regress/typecheck/should_fail/tcfail188.stderr
+++ b/testsuite/tests/ghc-regress/typecheck/should_fail/tcfail188.stderr
@@ -6,3 +6,7 @@ tcfail188.hs:13:26:
             This warning can be suppressed by a type signature fixing `f'
               but is harmless without -O (and usually harmless anyway).
             See http://hackage.haskell.org/trac/ghc/ticket/959 for details
+
+<no location info>:
+Failing due to -Werror.
+