Bless ui test.

Author: cjgillot

tests/ui/mir/lint/storage-live.rs

@@ -20,6 +20,7 @@ fn multiple_storage() {
         {
             StorageLive(a);
             StorageLive(a);
+            //~^ ERROR broken MIR
             Return()
         }
     )

tests/ui/mir/lint/storage-live.stderr

@@ -1,11 +1,11 @@
-error: internal compiler error: broken MIR in Item(DefId(0:8 ~ storage_live[HASH]::multiple_storage)) (after pass CheckPackedRef) at bb0[1]:
-                                StorageLive(_1) which already has storage here
+error: broken MIR in Item(DefId(0:8 ~ storage_live[HASH]::multiple_storage)) (after pass CheckPackedRef) at bb0[1]:
+       StorageLive(_1) which already has storage here
   --> $DIR/storage-live.rs:22:13
    |
 LL |             StorageLive(a);
    |             ^^^^^^^^^^^^^^
-
-aborting due to `-Z treat-err-as-bug=1`
+   |
+   = aborting due to `-Z treat-err-as-bug=1`
 error: the compiler unexpectedly panicked. this is a bug.
 
 query stack during panic: