From 427f0d4480305a2d6b714888bd92f63b4fa24675 Mon Sep 17 00:00:00 2001
From: Lukas Stadler <lukas.stadler@oracle.com>
Date: Tue, 25 Oct 2016 13:16:50 +0200
Subject: [PATCH] output stack traces when unit tests time out

---
 .../src/com/oracle/truffle/r/test/generate/FastRSession.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/generate/FastRSession.java b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/generate/FastRSession.java
index 7a96e9c53f..c5776a832c 100644
--- a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/generate/FastRSession.java
+++ b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/generate/FastRSession.java
@@ -207,6 +207,9 @@ public final class FastRSession implements RSession {
         try {
             if (!thread.await(longTimeout ? longTimeoutValue : timeoutValue)) {
                 consoleHandler.println("<timeout>");
+                for (StackTraceElement element : thread.getStackTrace()) {
+                    System.out.println(element);
+                }
                 thread.stop();
                 evalThread.ensureContextDestroyed();
                 evalThread = null;
-- 
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