Fix build on windows 9.2.2

Author: wz1000

.gitlab/ci.sh

@@ -47,6 +47,8 @@ esac
 
 case "$(uname)" in
     MSYS_*|MINGW*)
+    # workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/21196
+    export PATH="${GHCUP_INSTALL_BASE_PREFIX}/ghcup/ghc/${GHC_VERSION}/mingw64/bin:${GHCUP_INSTALL_BASE_PREFIX}/ghcup/ghc/${GHC_VERSION}/mingw64/usr/bin:$PATH"
 		# Shorten binary names
 		sed -i.bak -e 's/haskell-language-server/hls/g' \
 			   -e 's/haskell_language_server/hls/g' \

.gitlab/test.sh

@@ -45,6 +45,14 @@ case "$(uname -s)" in
 		;;
 esac
 
+case "$(uname)" in
+    MSYS_*|MINGW*)
+        # workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/21196
+        export PATH="${GHCUP_INSTALL_BASE_PREFIX}/ghcup/ghc/${GHC_VERSION}/mingw64/bin:${GHCUP_INSTALL_BASE_PREFIX}/ghcup/ghc/${GHC_VERSION}/mingw64/usr/bin:$PATH"
+        ;;
+	*) ;;
+esac
+
 # make sure out/ dir is gone, so build host rpaths don't
 # kick in (TODO: we should probably remove those)
 mv "$CI_PROJECT_DIR/out"/*.tar.xz .