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-rw-r--r--tests/untried/pos/strip-tvars-for-lubbasetypes.scala25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/untried/pos/strip-tvars-for-lubbasetypes.scala b/tests/untried/pos/strip-tvars-for-lubbasetypes.scala
new file mode 100644
index 000000000..2be8625ba
--- /dev/null
+++ b/tests/untried/pos/strip-tvars-for-lubbasetypes.scala
@@ -0,0 +1,25 @@
+object Test {
+
+ implicit final class EqualOps[T](val x: T) extends AnyVal {
+ def ===[T1, Ph >: T <: T1, Ph2 >: Ph <: T1](other: T1): Boolean = x == other
+ def !!![T1, Ph2 >: Ph <: T1, Ph >: T <: T1](other: T1): Boolean = x == other
+ }
+
+ class A
+ class B extends A
+ class C extends A
+
+ val a = new A
+ val b = new B
+ val c = new C
+
+ val x1 = a === b
+ val x2 = b === a
+ val x3 = b === c // error, infers Object{} for T1
+ val x4 = b.===[A, B, B](c)
+
+ val x5 = b !!! c // always compiled due to the order of Ph2 and Ph
+
+
+
+}