Merging r356924:

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r356924 | tstellar | 2019-03-25 10:01:29 -0700 (Mon, 25 Mar 2019) | 1 line

merge-request.sh: Update 8.0 metabug for 8.0.1
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llvm-svn: 357234

Author: tstellar

llvm/utils/release/merge-request.sh

@@ -101,6 +101,9 @@ case $stable_version in
   7.0)
     release_metabug="39106"
     ;;
+  8.0)
+    release_metabug="41221"
+    ;;
   *)
     echo "error: invalid stable version"
     exit 1