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Diffstat (limited to 'tests/untried/pos/t7694.scala')
-rw-r--r-- | tests/untried/pos/t7694.scala | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/untried/pos/t7694.scala b/tests/untried/pos/t7694.scala new file mode 100644 index 000000000..9852d5ec7 --- /dev/null +++ b/tests/untried/pos/t7694.scala @@ -0,0 +1,40 @@ +trait A +trait B + +trait L[A2, B2 <: A2] { + def bar(a: Any, b: Any) = 0 +} + +object Lub { + // use named args transforms to include TypeTree(<lub.tpe>) in the AST before refchecks. + def foo(a: L[_, _], b: Any) = 0 + + foo(b = 0, a = if (true) (null: L[A, A]) else (null: L[B, B])) + + (if (true) (null: L[A, A]) else (null: L[B, B])).bar(b = 0, a = 0) +} + +/* +The LUB ends up as: + +TypeRef( + TypeSymbol( + abstract trait L#7038[A2#7039, B2#7040 <: A2#7039] extends AnyRef#2197 + + ) + args = List( + AbstractTypeRef( + AbstractType( + type _1#13680 >: A#7036 with B#7037 <: Object#1752 + ) + ) + AbstractTypeRef( + AbstractType( + type _2#13681 >: A#7036 with B#7037 <: Object#1752 + ) + ) + ) +) + +Note that type _2#13681 is *not* bound by _1#13680 +*/ |