Do not generate duplicate instances with AutoDeriveTypeable
authorJose Pedro Magalhaes <jpm@cs.ox.ac.uk>
Fri, 8 Mar 2013 10:42:39 +0000 (10:42 +0000)
committerJose Pedro Magalhaes <jpm@cs.ox.ac.uk>
Fri, 8 Mar 2013 10:43:46 +0000 (10:43 +0000)
commit2154b82e97632abef64e73cc0f6c5cd13ab8e71c
tree026f9dcbddb25e1b0ef205d6958417da2cf69fcf
parent25234646e96922e3f39e85134521da8552da42ad
Do not generate duplicate instances with AutoDeriveTypeable
compiler/typecheck/TcDeriv.lhs