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| author | sheaf <sam.derbyshire@gmail.com> | 2021-11-19 10:19:19 +0100 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2021-11-20 18:13:23 -0500 |
| commit | 742d8b6049c30f3b0cd1704d7a34d865bef41712 (patch) | |
| tree | b22ad862ca4db2e9004d8b4ab4aafbc11bcde0a9 /compiler/GHC/Builtin | |
| parent | bc7e9f038112496c45aeb81d1504e57acb3722c7 (diff) | |
| download | haskell-742d8b6049c30f3b0cd1704d7a34d865bef41712.tar.gz | |
Include "not more specific" info in overlap msg
When instances overlap, we now include additional information
about why we weren't able to select an instance: perhaps
one instance overlapped another but was not strictly more specific,
so we aren't able to directly choose it.
Fixes #20542
Diffstat (limited to 'compiler/GHC/Builtin')
| -rw-r--r-- | compiler/GHC/Builtin/Names.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Builtin/Names.hs b/compiler/GHC/Builtin/Names.hs index c051f1c559..a1cb4fbcb5 100644 --- a/compiler/GHC/Builtin/Names.hs +++ b/compiler/GHC/Builtin/Names.hs @@ -2757,7 +2757,7 @@ Situations in which we apply this special logic: class Cls a because BoxedRep/Lifted were not in scope. - See GHC.Tc.Errors.pprPotentials. + See GHC.Tc.Errors.potentialInstancesErrMsg. This fixes one of the issues reported in #20465. -} |