try to get heap dumps if leak tests go out of memory again.
diff --git a/releng/build-scripts/build/test.xml b/releng/build-scripts/build/test.xml
index 97b723a..b5597d9 100644
--- a/releng/build-scripts/build/test.xml
+++ b/releng/build-scripts/build/test.xml
@@ -59,7 +59,7 @@
>
<ant antfile="plugins/${testPlugin}/test.xml" dir="${test.eclipseDir}">
<property name="eclipse-home" value="${test.eclipseDir}" />
- <property name="extraVMargs" value="-XX:MaxPermSize=320m"/>
+ <property name="extraVMargs" value="-XX:MaxPermSize=320m -XX:+HeapDumpOnOutOfMemoryError"/>
</ant>
</target>