CI: Add GHC 9.8 jobs

.gitlab-ci.yml

@@ -206,6 +206,37 @@ test-9.6:
     BUILD_MODE: TEST
   allow_failure: true
 
+# Build against the 9.8 branch
+.build-9.8:
+  extends: .build
+  before_script:
+    - !reference [.build, before_script]
+    - GHC_TARBALL=$(discover_tarball.sh)
+  parallel:
+    matrix:
+      - ARCH: aarch64
+      - ARCH: x86_64
+  tags:
+    - ${ARCH}-linux
+  variables:
+    UPSTREAM_BRANCH_NAME: ghc-9.8
+    EXTRA_HC_OPTS: "-dcore-lint"
+  rules:
+    - if: '$UPSTREAM_COMMIT_SHA || $UPSTREAM_PIPELINE_ID'
+      when: never
+    - when: always
+
+build-9.8:
+  extends: .build-9.8
+  variables:
+    BUILD_MODE: FULL
+
+test-9.8:
+  extends: .build-9.8
+  variables:
+    BUILD_MODE: TEST
+  allow_failure: true
+
 .build:
   stage: test
   interruptible: true

ci/config.sh

@@ -104,6 +104,11 @@ case $version in
     #       package                   ticket
     ;;
 
+  9.8.*)
+    #       package                   ticket
+    broken  futhark                   23550
+    ;;
+
   9.9.*)
     #       package                   ticket
     broken  futhark                   23550