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Diffstat (limited to 'compiler/GHC/Core/Unify.hs')
| -rw-r--r-- | compiler/GHC/Core/Unify.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/GHC/Core/Unify.hs b/compiler/GHC/Core/Unify.hs index fa188fc022..8719746f67 100644 --- a/compiler/GHC/Core/Unify.hs +++ b/compiler/GHC/Core/Unify.hs @@ -355,8 +355,8 @@ types are apart. This has practical consequences for the ability for closed type family applications to reduce. See test case indexed-types/should_compile/Overlap14. -Note [Unifying with skolems] -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Note [Unification with skolems] +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If we discover that two types unify if and only if a skolem variable is substituted, we can't properly unify the types. But, that skolem variable may later be instantiated with a unifyable type. So, we return maybeApart |