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Simon Peyton Jones authored
A lazy pattern match must be for a lifted type. This is illegal: f x = case g x of ~(# x,y #) -> ... This commit fixes the problem. Trac #845, test is tcfail159
c295ee8a
A lazy pattern match must be for a lifted type. This is illegal: f x = case g x of ~(# x,y #) -> ... This commit fixes the problem. Trac #845, test is tcfail159