Merge pull request #1711 from retronym/ticket/1672

SI-1672 Catches are in tail position without finally.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/compiler/scala/tools/nsc/transform/TailCalls.scala b/src/compiler/scala/tools/nsc/transform/TailCalls.scala
index 95cb052fda..a767850cba 100644
--- a/src/compiler/scala/tools/nsc/transform/TailCalls.scala
+++ b/src/compiler/scala/tools/nsc/transform/TailCalls.scala
@@ -327,8 +327,16 @@ abstract class TailCalls extends Transform {
             transformTrees(cases).asInstanceOf[List[CaseDef]]
           )
 
+        case Try(block, catches, finalizer @ EmptyTree) =>
+          // SI-1672 Catches are in tail position when there is no finalizer
+          treeCopy.Try(tree,
+            noTailTransform(block),
+            transformTrees(catches).asInstanceOf[List[CaseDef]],
+            EmptyTree
+          )
+
         case Try(block, catches, finalizer) =>
-           // no calls inside a try are in tail position, but keep recursing for nested functions
+           // no calls inside a try are in tail position if there is a finalizer, but keep recursing for nested functions
           treeCopy.Try(tree,
             noTailTransform(block),
             noTailTransforms(catches).asInstanceOf[List[CaseDef]],