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| author | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2016-03-31 14:27:30 +0200 |
|---|---|---|
| committer | Dmitry Petrashko <dmitry.petrashko@gmail.com> | 2016-03-31 14:50:36 +0200 |
| commit | aab561c46144f2d9510ba881bf8dc0549631292a (patch) | |
| tree | 9d4516e4c6c0062d021a5853d5d060bfb97e38e4 /tests/neg/tailcall | |
| parent | 07833e93f62cbe6d866300475288e8a763a36198 (diff) | |
| download | dotty-aab561c46144f2d9510ba881bf8dc0549631292a.tar.gz dotty-aab561c46144f2d9510ba881bf8dc0549631292a.tar.bz2 dotty-aab561c46144f2d9510ba881bf8dc0549631292a.zip | |
Tailrec: drop support for polymorphic recursion.
If the method that recurses over a different type arguments,
if this method is specialised, it would lead to method not
being tail-rec anymore.
Eg:
def foo[@specialized A, @specialized B]: Unit = foo[B, A]
Diffstat (limited to 'tests/neg/tailcall')
| -rw-r--r-- | tests/neg/tailcall/t6574.scala | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/neg/tailcall/t6574.scala b/tests/neg/tailcall/t6574.scala index 7030b3b4a..d9ba2882d 100644 --- a/tests/neg/tailcall/t6574.scala +++ b/tests/neg/tailcall/t6574.scala @@ -4,7 +4,7 @@ class Bad[X, Y](val v: Int) extends AnyVal { println("tail") } - @annotation.tailrec final def differentTypeArgs : Unit = { - {(); new Bad[String, Unit](0)}.differentTypeArgs + @annotation.tailrec final def differentTypeArgs : Unit = { // error + {(); new Bad[String, Unit](0)}.differentTypeArgs // error } } |