diff -r 0d32bf6b4436 -r 9ca946fc4f01 rt/emul/mini/src/main/java/java/lang/Throwable.java
--- a/rt/emul/mini/src/main/java/java/lang/Throwable.java	Sun May 04 12:02:57 2014 +0200
+++ b/rt/emul/mini/src/main/java/java/lang/Throwable.java	Tue Apr 19 07:24:30 2016 +0200
@@ -762,19 +762,8 @@
         return getOurStackTrace().clone();
     }
 
-    private synchronized StackTraceElement[] getOurStackTrace() {
-        // Initialize stack trace field with information from
-        // backtrace if this is the first call to this method
-        if (stackTrace == UNASSIGNED_STACK ||
-            (stackTrace == null && backtrace != null) /* Out of protocol state */) {
-            int depth = getStackTraceDepth();
-            stackTrace = new StackTraceElement[depth];
-            for (int i=0; i < depth; i++)
-                stackTrace[i] = getStackTraceElement(i);
-        } else if (stackTrace == null) {
-            return UNASSIGNED_STACK;
-        }
-        return stackTrace;
+    private StackTraceElement[] getOurStackTrace() {
+        return new StackTraceElement[0];
     }
 
     /**