[commit: ghc] master: Comments only (7e7aeab)

git at git.haskell.org git at git.haskell.org
Wed Jun 22 21:18:14 UTC 2016


Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/7e7aeab21c1afa7251e0879c78bbc42040a1936a/ghc

>---------------------------------------------------------------

commit 7e7aeab21c1afa7251e0879c78bbc42040a1936a
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Wed Jun 22 14:09:11 2016 +0100

    Comments only


>---------------------------------------------------------------

7e7aeab21c1afa7251e0879c78bbc42040a1936a
 compiler/typecheck/TcValidity.hs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/compiler/typecheck/TcValidity.hs b/compiler/typecheck/TcValidity.hs
index 8b62187..fb1a567 100644
--- a/compiler/typecheck/TcValidity.hs
+++ b/compiler/typecheck/TcValidity.hs
@@ -888,7 +888,6 @@ check_class_pred env dflags ctxt pred cls tys
 A type signature like
    f :: Eq [(a,b)] => a -> b
 is very fragile, for reasons described at length in TcInteract
-
 Note [Instance and Given overlap].  So this warning discourages uses
 from writing simplifiable class constraints, at least unless the
 top-level instance is explicitly declared as OVERLAPPABLE.



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