diff options
| -rw-r--r-- | src/dotty/tools/dotc/transform/TypeTestsCasts.scala | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/dotty/tools/dotc/transform/TypeTestsCasts.scala b/src/dotty/tools/dotc/transform/TypeTestsCasts.scala index 9f6bd4c0f..98b8357b9 100644 --- a/src/dotty/tools/dotc/transform/TypeTestsCasts.scala +++ b/src/dotty/tools/dotc/transform/TypeTestsCasts.scala @@ -47,7 +47,7 @@ trait TypeTestsCasts { def transformIsInstanceOf(expr:Tree, argType: Type): Tree = { def argCls = argType.classSymbol - if (false && expr.tpe <:< argType) + if ((expr.tpe <:< argType) && isPureExpr(expr)) Literal(Constant(true)) withPos tree.pos else if (argCls.isPrimitiveValueClass) if (qualCls.isPrimitiveValueClass) Literal(Constant(qualCls == argCls)) withPos tree.pos |