[("tests/examples/Unsafe2.hs:1:1: Error: Missing NOINLINE pragma\nFound:\n  slaves = unsafePerformIO $ f y\n    where foo = 1\nWhy not:\n  {-# NOINLINE slaves #-}\n  slaves = unsafePerformIO $ f y\n    where foo = 1\n",[InsertComment {pos = SrcSpan {startLine = 1, startCol = 1, endLine = 1, endCol = 45}, newComment = "{-# NOINLINE slaves #-}"}])]