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Diffstat (limited to 'src/dotty/tools/dotc/core/Types.scala')
| -rw-r--r-- | src/dotty/tools/dotc/core/Types.scala | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/core/Types.scala b/src/dotty/tools/dotc/core/Types.scala index 284e9535e..1bfe9cbd1 100644 --- a/src/dotty/tools/dotc/core/Types.scala +++ b/src/dotty/tools/dotc/core/Types.scala @@ -2596,7 +2596,9 @@ object Types { case resType @ TypeAlias(alias) => resType.derivedTypeAlias(duplicate(paramNames, paramBounds, alias)) case resType @ TypeBounds(lo, hi) => - resType.derivedTypeBounds(lo, duplicate(paramNames, paramBounds, hi)) + resType.derivedTypeBounds( + if (lo.isRef(defn.NothingClass)) lo else duplicate(paramNames, paramBounds, lo), + duplicate(paramNames, paramBounds, hi)) case _ => derivedGenericType(paramNames, paramBounds, resType) } |