Restructure Try node.

Now Try node always has cases as handlers.
In case handler is an Ident of type Throwable => T
than it's desugared to a CaseDef during parsing.

1 files changed, 4 insertions, 5 deletions

diff --git a/src/dotty/tools/dotc/transform/TailRec.scala b/src/dotty/tools/dotc/transform/TailRec.scala
index b3f63bcaf..46028e0fc 100644
--- a/src/dotty/tools/dotc/transform/TailRec.scala
+++ b/src/dotty/tools/dotc/transform/TailRec.scala
@@ -156,9 +156,8 @@ class TailRec extends MiniPhaseTransform with DenotTransformer with FullParamete
     def noTailTransform(tree: Tree)(implicit c: Context): Tree =
       transform(tree, noTailContext)
 
-
-    def noTailTransforms(trees: List[Tree])(implicit c: Context) =
-      trees map (noTailTransform)
+    def noTailTransforms[Tr <: Tree](trees: List[Tr])(implicit c: Context): List[Tr] =
+      trees.map(noTailTransform).asInstanceOf[List[Tr]]
 
     override def transform(tree: Tree)(implicit c: Context): Tree = {
       /* A possibly polymorphic apply to be considered for tail call transformation. */
@@ -247,14 +246,14 @@ class TailRec extends MiniPhaseTransform with DenotTransformer with FullParamete
           // SI-1672 Catches are in tail position when there is no finalizer
           tpd.cpy.Try(tree)(
             noTailTransform(tree.expr),
-            transformHandlers(tree.handler),
+            transformSub(tree.cases),
             EmptyTree
           )
         }
         else {
           tpd.cpy.Try(tree)(
             noTailTransform(tree.expr),
-            noTailTransform(tree.handler),
+            noTailTransforms(tree.cases),
             noTailTransform(tree.finalizer)
           )
         }