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af4a33da
by Simon Peyton Jones at 2025-11-13T10:29:08+00:00
```
Try making occ_nested_lets strict
```

@@ -2932,7 +2932,7 @@ data OccEnv
               -- See Note [Occurrence analysis for join points]
             , occ_join_points :: !JoinPointInfo
 -           , occ_nested_lets :: IdSet    -- Non-top-level, non-rec-bound lets
 +           , occ_nested_lets :: !IdSet    -- Non-top-level, non-rec-bound lets
                  -- I tried making this field strict, but
                  -- doing so slightly increased allocation
+            }