diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core/TypeErasure.scala')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/core/TypeErasure.scala | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/TypeErasure.scala b/compiler/src/dotty/tools/dotc/core/TypeErasure.scala index 10587afd5..fe3396fcb 100644 --- a/compiler/src/dotty/tools/dotc/core/TypeErasure.scala +++ b/compiler/src/dotty/tools/dotc/core/TypeErasure.scala @@ -10,6 +10,7 @@ import dotc.transform.ExplicitOuter._ import dotc.transform.ValueClasses._ import util.DotClass import Definitions.MaxImplementedFunctionArity +import scala.annotation.tailrec /** Erased types are: * @@ -244,7 +245,7 @@ object TypeErasure { case JavaArrayType(_) => defn.ObjectType case _ => val cls2 = tp2.classSymbol - def loop(bcs: List[ClassSymbol], bestSoFar: ClassSymbol): ClassSymbol = bcs match { + @tailrec def loop(bcs: List[ClassSymbol], bestSoFar: ClassSymbol): ClassSymbol = bcs match { case bc :: bcs1 => if (cls2.derivesFrom(bc)) { val newBest = if (bestSoFar.derivesFrom(bc)) bestSoFar else bc |