Remove a quadratic complexity blow-up in coercionKind
authorSimon Peyton Jones <simonpj@microsoft.com>
Thu, 17 Nov 2011 13:13:15 +0000 (13:13 +0000)
committerSimon Peyton Jones <simonpj@microsoft.com>
Thu, 17 Nov 2011 13:13:15 +0000 (13:13 +0000)
commit207a2a63e039af2bf6c331ef5a005512dd25fd77
tree544b2c1d48b919ba1004ae7f80cff223a7da47e9
parent5cfc2680f00123fb0b9f57ee8a154c9ae90f3efc
Remove a quadratic complexity blow-up in coercionKind
thereby fixing Trac #5631.

See Note [Nested InstCos] in Coercion
compiler/types/Coercion.lhs