Merge branch 'master' into install-llvm-9

build-constraints.yaml

@@ -4680,7 +4680,7 @@ packages:
         - machines < 0.7
 
         # https://github.com/commercialhaskell/stackage/issues/4532
-        - profunctors < 5.4
+        - profunctors < 5.5
 
         # https://github.com/commercialhaskell/stackage/issues/4541
         - dependent-sum < 0.5
@@ -4756,11 +4756,6 @@ packages:
         - parser-combinators       < 1.2.0
         - parser-combinators-tests < 1.2.0
 
-        # https://github.com/commercialhaskell/stackage/issues/4740
-        - dhall < 1.25.0
-        - dhall-bash < 1.0.22
-        - dhall-json < 1.4.0
-
         # https://github.com/commercialhaskell/stackage/issues/4739
         - doctemplates < 0.3
 
@@ -4799,9 +4794,6 @@ packages:
         - jailbreak-cabal < 1.3.5
         - cabal2spec < 2.3
 
-        # https://github.com/commercialhaskell/stackage/issues/4797
-        - sequence-formats < 1.3.3
-
         # https://github.com/commercialhaskell/stackage/issues/4798
         - ansi-terminal < 0.10
 
@@ -4824,9 +4816,6 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4805
         - lens-aeson < 1.1
 
-        # https://github.com/commercialhaskell/stackage/issues/4806
-        - trifecta < 2.1
-
         # https://github.com/commercialhaskell/stackage/issues/4807
         - aeson < 1.4.5.0
 
@@ -4836,6 +4825,9 @@ packages:
         # https://github.com/commercialhaskell/stackage/issues/4811
         - polysemy < 1.2.0.0
 
+        # https://github.com/commercialhaskell/stackage/issues/4816
+        - trifecta < 2.1
+
 # end of packages
 
 # Package flags are applied to individual packages, and override the values of
@@ -5532,6 +5524,9 @@ expected-test-failures:
 
     # https://github.com/commercialhaskell/stackage/issues/4810
     - dns
+
+    # https://github.com/commercialhaskell/stackage/issues/4815
+    - brittany
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run