Type function application has its own depth counter now

testsuite/tests/indexed-types/should_fail/SkolemOccursLoop.hs

-{-# OPTIONS_GHC -fcontext-stack=3 #-}
+{-# OPTIONS_GHC -ftype-function-depth=3 #-}
 {-# LANGUAGE TypeFamilies, FlexibleContexts, EmptyDataDecls #-}
 
 module SkolemOccursLoop where

testsuite/tests/typecheck/should_fail/ContextStack2.stderr

 
 ContextStack2.hs:8:6:
-    Context reduction stack overflow; size = 11
-    Use -fcontext-stack=N to increase stack size to N
+    Type function application stack overflow; size = 11
+    Use -ftype-function-depth=N to increase stack size to N
       (TF (TF (TF (TF (TF (TF (TF (TF (TF (TF (TF a)))))))))),
        TF (TF (TF (TF (TF (TF (TF (TF (TF (TF (TF Int)))))))))))
       ~ TF (TF (TF (TF (TF (TF (TF (TF (TF (TF a)))))))))

testsuite/tests/typecheck/should_fail/all.T

@@ -326,4 +326,4 @@ test('T8428', normal, compile_fail, [''])
 test('T8450', normal, compile_fail, [''])
 test('T8514', normal, compile_fail, [''])
 test('ContextStack1', normal, compile_fail, ['-fcontext-stack=10'])
-test('ContextStack2', normal, compile_fail, ['-fcontext-stack=10'])
+test('ContextStack2', normal, compile_fail, ['-ftype-function-depth=10'])