Don't warn about missing methods for instances in signatures.
authorEdward Z. Yang <ezyang@cs.stanford.edu>
Tue, 14 Feb 2017 18:16:04 +0000 (13:16 -0500)
committerBen Gamari <ben@smart-cactus.org>
Tue, 14 Feb 2017 21:57:31 +0000 (16:57 -0500)
commit93e65c8ab7b468d69bf24d9dc2f197d24e5166f4
tree4a327b358650f9cf4536c1b274aa528c04062d4a
parentf90e61ad6e5fa0655185f14ca128d507e489c4b7
Don't warn about missing methods for instances in signatures.

Test Plan: validate

Reviewers: bgamari, austin, dfeuer

Reviewed By: dfeuer

Subscribers: dfeuer, thomie

Differential Revision: https://phabricator.haskell.org/D3134
compiler/typecheck/TcClassDcl.hs
testsuite/tests/backpack/should_compile/all.T
testsuite/tests/backpack/should_compile/bkp52.bkp [new file with mode: 0644]
testsuite/tests/backpack/should_compile/bkp52.stderr [new file with mode: 0644]