jtreg incorrectly continues after a compilation failure due to agent issues.

#section:script_messages
----------messages:(4/213)----------
JDK under test: (/Users/aurora/sandbox/jdk)
java version "1.8.0-ea"
Java(TM) SE Runtime Environment (build 1.8.0-ea-langtools-nightly-h169-20120214-b26-b00)
Java HotSpot(TM) Client VM (build 23.0-b14, mixed mode)

#section:build
----------messages:(3/89)----------
command: build BigCRL
reason: Named class compiled on demand
elapsed time (seconds): 0.1
result: Passed. Build successful

#section:compile
----------messages:(3/177)----------
command: compile /Users/aurora/sandbox/testbase/test/sun/security/provider/X509Factory/BigCRL.java
reason: .class file out of date or does not exist
elapsed time (seconds): 0.1
result: Error. Agent error: java.io.EOFException

#section:main
----------messages:(3/127)----------
command: main -Xmx1024m BigCRL
reason: User specified action: run main/othervm -Xmx1024m BigCRL
elapsed time (seconds): 0.066
----------System.out:(0/0)----------
----------System.err:(17/856)----------
java.lang.ClassNotFoundException: BigCRL
at java.net.URLClassLoader$1.run(URLClassLoader.java:359)
at java.net.URLClassLoader$1.run(URLClassLoader.java:348)