test compiler/whitebox/IsMethodCompilableTest.java passes with jdk8b101 and fails with jdk8b102; test is not applicable for jdk7 (failed to compile with jdk7u25b15)

reproduced on Oracle Linux 6.0, x86_64 and Solaris 11 sparc

failure log:
----------System.err:(25/1711)----------
java.lang.RuntimeException: private TestCase$Helper(int) is still compilable after 401 iterations
	at IsMethodCompilableTest.test(IsMethodCompilableTest.java:104)
	at CompilerWhiteBoxTest.runTest(CompilerWhiteBoxTest.java:144)
	at IsMethodCompilableTest.main(IsMethodCompilableTest.java:52)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:491)
	at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
	at java.lang.Thread.run(Thread.java:724)
java.lang.RuntimeException: private TestCase$Helper(int) is still compilable after 401 iterations
	at IsMethodCompilableTest.test(IsMethodCompilableTest.java:104)
	at CompilerWhiteBoxTest.runTest(CompilerWhiteBoxTest.java:144)
	at IsMethodCompilableTest.main(IsMethodCompilableTest.java:52)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:491)
	at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
	at java.lang.Thread.run(Thread.java:724)