diff options
Diffstat (limited to 'compiler/GHC/Hs/Extension.hs')
| -rw-r--r-- | compiler/GHC/Hs/Extension.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Hs/Extension.hs b/compiler/GHC/Hs/Extension.hs index db1738ec02..119997cdb1 100644 --- a/compiler/GHC/Hs/Extension.hs +++ b/compiler/GHC/Hs/Extension.hs @@ -247,7 +247,7 @@ NoExtCon. But since (1) the field is strict and (2) NoExtCon is an empty data type, there is no possible way to reach the right-hand side of the XHsDecl case. As a result, the coverage checker concludes that the XHsDecl case is inaccessible, so it can be removed. -(See Note [Strict argument type constraints] in GHC.HsToCore.PmCheck.Oracle for +(See Note [Strict argument type constraints] in GHC.HsToCore.Pmc.Solver for more on how this works.) Bottom line: if you add a TTG extension constructor that uses NoExtCon, make |