travis: Allow failures on ghc-8.8.1 linux

Author: maoe

.travis.yml

@@ -1,6 +1,6 @@
 # This Travis job script has been generated by a script via
 #
-#   haskell-ci 'threadscope.cabal' '--apt' 'libgtk2.0-dev' '--osx' '8.6.5' '--osx' '8.8.1' '--travis-patches' '.travis/osx.patch' '--travis-patches' '.travis/deploy.patch'
+#   haskell-ci 'threadscope.cabal' '--apt' 'libgtk2.0-dev' '--osx' '8.6.5' '--osx' '8.8.1' '--travis-patches' '.travis/osx.patch' '--travis-patches' '.travis/deploy.patch' '--travis-patches' '.travis/allow-failrues.patch'
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
@@ -52,6 +52,9 @@ jobs:
       env: PKG_CONFIG_PATH=/usr/local/opt/libffi/lib/pkgconfig
       os: osx
       osx_image: xcode11
+  allow_failures:
+    - compiler: ghc-8.8.1
+      os: linux
 before_install:
   - HC=$(echo "/opt/$CC/bin/ghc" | sed 's/-/\//')
   - WITHCOMPILER="-w $HC"
@@ -180,7 +183,7 @@ script:
   - rm -f cabal.project.local
   - ${CABAL} v2-build $WITHCOMPILER --disable-tests --disable-benchmarks all | color_cabal_output
 
-# REGENDATA ("0.9.20191126",["threadscope.cabal","--apt","libgtk2.0-dev","--osx","8.6.5","--osx","8.8.1","--travis-patches",".travis/osx.patch","--travis-patches",".travis/deploy.patch"])
+# REGENDATA ("0.9.20191126",["threadscope.cabal","--apt","libgtk2.0-dev","--osx","8.6.5","--osx","8.8.1","--travis-patches",".travis/osx.patch","--travis-patches",".travis/deploy.patch","--travis-patches",".travis/allow-failrues.patch"])
 # EOF
 
 before_deploy: