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-rw-r--r--src/dotty/tools/dotc/transform/ValueClasses.scala5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/transform/ValueClasses.scala b/src/dotty/tools/dotc/transform/ValueClasses.scala
index c5cf44552..2d44ed826 100644
--- a/src/dotty/tools/dotc/transform/ValueClasses.scala
+++ b/src/dotty/tools/dotc/transform/ValueClasses.scala
@@ -12,7 +12,10 @@ import Flags._
object ValueClasses {
def isDerivedValueClass(d: SymDenotation)(implicit ctx: Context) =
- d.isClass && d.derivesFrom(defn.AnyValClass) && !d.isPrimitiveValueClass
+ d.isClass &&
+ (d.symbol ne defn.AnyValClass) &&
+ d.derivesFrom(defn.AnyValClass) &&
+ !d.isPrimitiveValueClass
def isMethodWithExtension(d: SymDenotation)(implicit ctx: Context) =
d.isSourceMethod &&