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Fix #15405: Dealias Or type constituents when finding its dominator #15416

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Merged
merged 1 commit into from
Jun 15, 2022
Merged

Fix #15405: Dealias Or type constituents when finding its dominator #15416

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2 changes: 1 addition & 1 deletion compiler/src/dotty/tools/dotc/core/Types.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -594,7 +594,7 @@ object Types {
try
this match
case tp: TypeProxy =>
tp.underlying.baseClasses
tp.superType.baseClasses
case tp: ClassInfo =>
tp.cls.classDenot.baseClasses
case _ => Nil
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4 changes: 4 additions & 0 deletions tests/pos/i15405.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
type Validated[A] = A
class Foo:
def >(x: Int) = true
def foo(v: Foo|Validated[Foo]): Unit = v > 10