[("tests/examples/Unsafe3.hs:1:12: Warning: Redundant $\nFound:\n unsafePerformIO $ Multimap.newIO\nWhy not:\n unsafePerformIO Multimap.newIO\n",[Replace {rtype = Expr, pos = SrcSpan {startLine = 1, startCol = 12, endLine = 1, endCol = 44}, subts = [("a",SrcSpan {startLine = 1, startCol = 12, endLine = 1, endCol = 27}),("b",SrcSpan {startLine = 1, startCol = 30, endLine = 1, endCol = 44})], orig = "a b"}])]