--- a/nashorn/make/project.properties	Wed Jul 05 20:10:08 2017 +0200
+++ b/nashorn/make/project.properties	Fri Dec 05 14:35:00 2014 +0530
@@ -284,7 +284,7 @@
   -XX:+HeapDumpOnOutOfMemoryError
 
 # turn on assertions for tests
-run.test.jvmargs.main=${run.test.jvmargs.common} -ea
+run.test.jvmargs.main=${run.test.jvmargs.common} -esa -ea
 
 # Extra jvmargs that might be useful for debugging
 # and performance improvements/monitoring