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| author | Simon Peyton Jones <simonpj@microsoft.com> | 2016-10-14 17:35:38 +0100 |
|---|---|---|
| committer | Simon Peyton Jones <simonpj@microsoft.com> | 2016-10-21 17:16:07 +0100 |
| commit | 6ddba64287fe07df3b2df1f3db974b03945fc07f (patch) | |
| tree | 7fb1647acc0fcf649c77118607906511947ba1fc /libraries/ghc-boot/GHC/PackageDb.hs | |
| parent | e1fc5a3351bc02dc059db5c2a1079b04db18b401 (diff) | |
| download | haskell-6ddba64287fe07df3b2df1f3db974b03945fc07f.tar.gz | |
Improve TcCanonical.unifyWanted and unifyDerived
When debugging something else I noticed that these functions
were emitting constraints like
[W] a ~ a
which is plain stupid. So I fixed it not to do that. Should
result in fewer constraints getting generated.
Diffstat (limited to 'libraries/ghc-boot/GHC/PackageDb.hs')
0 files changed, 0 insertions, 0 deletions