diff options
Diffstat (limited to 'src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala')
| -rw-r--r-- | src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala b/src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala index 073f124630..0eeca4aace 100644 --- a/src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala +++ b/src/reflect/scala/reflect/internal/ExistentialsAndSkolems.scala @@ -19,6 +19,9 @@ trait ExistentialsAndSkolems { * can be deskolemized to the original type parameter. (A skolem is a * representation of a bound variable when viewed inside its scope.) * !!!Adriaan: this does not work for hk types. + * + * Skolems will be created at level 0, rather than the current value + * of `skolemizationLevel`. (See SI-7782) */ def deriveFreshSkolems(tparams: List[Symbol]): List[Symbol] = { class Deskolemizer extends LazyType { @@ -30,7 +33,11 @@ trait ExistentialsAndSkolems { sym setInfo sym.deSkolemize.info.substSym(typeParams, typeSkolems) } } - (new Deskolemizer).typeSkolems + + val saved = skolemizationLevel + skolemizationLevel = 0 + try new Deskolemizer().typeSkolems + finally skolemizationLevel = saved } def isRawParameter(sym: Symbol) = // is it a type parameter leaked by a raw type? |