Fix for spurious warning.

Eliminates spurious "catch block may intercept non-local return"
seen in recent builds of master.  Unified some catch logic
in TreeInfo, and removed some which never worked.

1 files changed, 6 insertions, 3 deletions

diff --git a/test/files/neg/catch-all.check b/test/files/neg/catch-all.check
index aaf51480c3..2d58dd99a8 100644
--- a/test/files/neg/catch-all.check
+++ b/test/files/neg/catch-all.check
@@ -1,10 +1,13 @@
-catch-all.scala:2: warning: This catches all Throwables. If this is really intended, use `case _ : Throwable` to clear this warning.
+catch-all.scala:2: warning: This catches all Throwables, which often has undesirable consequences.
+If intentional, use `case _ : Throwable` to clear this warning.
   try { "warn" } catch { case _ => }
                               ^
-catch-all.scala:4: warning: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning.
+catch-all.scala:4: warning: This catches all Throwables, which often has undesirable consequences.
+If intentional, use `case x : Throwable` to clear this warning.
   try { "warn" } catch { case x => }
                               ^
-catch-all.scala:6: warning: This catches all Throwables. If this is really intended, use `case x : Throwable` to clear this warning.
+catch-all.scala:6: warning: This catches all Throwables, which often has undesirable consequences.
+If intentional, use `case x : Throwable` to clear this warning.
   try { "warn" } catch { case _: RuntimeException => ; case x => }
                                                             ^
 error: No warnings can be incurred under -Xfatal-warnings.