A compact tree printer, for primitives like mys...

A compact tree printer, for primitives like myself who do all their
debugging in the console and need extraneous information filtered out.
New option: -Ycompact-trees. Supply that in conjunction with -Xprint:all
and suddenly the output is a (relative) masterpiece of concision. Review
by anyone who is game to review such a thing. Community?

1 files changed, 5 insertions, 0 deletions

diff --git a/test/files/run/treePrint.check b/test/files/run/treePrint.check
new file mode 100644
index 0000000000..3360815ac1
--- /dev/null
+++ b/test/files/run/treePrint.check
@@ -0,0 +1,5 @@
+def foo = {
+  var q: Boolean = false;
+  val x = 5;
+  ((x == 5) || (!q)) || (true)
+}