Test #9084 in th/T9084.

The patch includes errors for a whole host of pragmas. But, these
are generated one at a time, and it doesn't seem like a good idea
to add gobs of test-cases here.

testsuite/tests/th/T9084.hs

+{-# LANGUAGE TemplateHaskell #-}
+
+module T9084 where
+
+$([d|
+   class C a where
+     meth :: a -> a
+     meth = undefined -- give a (silly) default
+     {-# MINIMAL meth #-}
+   |])

testsuite/tests/th/T9084.stderr

+
+T9084.hs:5:3: MINIMAL pragmas not (yet) handled by Template Haskell

testsuite/tests/th/all.T

@@ -333,3 +333,4 @@ test('T9262', normal, compile, ['-v0'])
 test('T9199', normal, compile, ['-v0'])
 test('T9692', normal, compile, ['-v0'])
 test('T8953', normal, compile, ['-v0'])
+test('T9084', normal, compile_fail, ['-v0'])