Add toExpr where needed

Author: biboudis

tests/run-with-compiler/i3847-b.scala

@@ -4,7 +4,7 @@ import scala.reflect.ClassTag
 
 object Arrays {
   implicit def ArrayIsLiftable[T: Liftable](implicit t: Type[T]): Liftable[Array[List[T]]] = (arr: Array[List[T]]) => '{
-    new Array[List[~t]](~(arr.length: Expr[Int]))
+    new Array[List[~t]](~arr.length.toExpr)
     // TODO add elements
   }
 }
@@ -13,7 +13,7 @@ object Test {
   def main(args: Array[String]): Unit = {
     import Arrays._
     implicit val ct: Expr[ClassTag[Int]] = '(ClassTag.Int)
-    val arr: Expr[Array[List[Int]]] = Array[List[Int]](List(1, 2, 3))
+    val arr: Expr[Array[List[Int]]] = Array[List[Int]](List(1, 2, 3)).toExpr
     println(arr.show)
   }
 }

tests/run-with-compiler/i3847.scala

@@ -4,7 +4,7 @@ import scala.reflect.ClassTag
 
 object Arrays {
   implicit def ArrayIsLiftable[T: Liftable](implicit t: Type[T], ct: Expr[ClassTag[T]]): Liftable[Array[T]] = (arr: Array[T]) => '{
-    new Array[~t](~(arr.length: Expr[Int]))(~ct)
+    new Array[~t](~arr.length.toExpr)(~ct)
     // TODO add elements
   }
 }
@@ -13,7 +13,7 @@ object Test {
   def main(args: Array[String]): Unit = {
     import Arrays._
     implicit val ct: Expr[ClassTag[Int]] = '(ClassTag.Int)
-    val arr: Expr[Array[Int]] = Array[Int](1, 2, 3)
+    val arr: Expr[Array[Int]] = Array[Int](1, 2, 3).toExpr
     println(arr.show)
   }
 }