• Simon Peyton Jones's avatar
    Fix a long-standing bug in CSE · d03dd237
    Simon Peyton Jones authored
    I had the environments wrong so that CSE could mis-clone
    an expression, if the uniques just happened to be badly
    arranged.  It's hard to trigger the bug, so I can't make
    a reliable test case.
    Happily the fix is easy.
CSE.hs 14.9 KB