Wed Feb 20 07:37:52 PST 2008 Ian Lynagh <[EMAIL PROTECTED]> * Rewrite fixTvSubstEnv so it iteratively applies its substition This fixes a stack overflow when using strict UniqFMs. It might be possible to rewrite it more efficiently, or to avoid needing it in the first place.
M ./compiler/typecheck/TcGadt.lhs -3 +7
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