Don't complain about unused Rule binders
authorSimon Peyton Jones <simonpj@microsoft.com>
Tue, 1 Mar 2016 17:07:26 +0000 (17:07 +0000)
committerSimon Peyton Jones <simonpj@microsoft.com>
Tue, 1 Mar 2016 17:08:32 +0000 (17:08 +0000)
commit57b4c5524fcbf02f61dfc8d9395906dc7f50f048
treef3f6e6a59432996b8e1d0598c4016b4b5fa74d2d
parenta0899b2f66a4102a7cf21569889381446ce63833
Don't complain about unused Rule binders

This fixes Trac #11643.  It's a corner case, now documented in
Note [Linting rules] in CoreLint
compiler/coreSyn/CoreLint.hs