[9] RFR 8152483: Fix a couple of tests that are being incorrectly run on C1 after jigsaw M3

[Alejandro Murillo]

These tests need to be fixed asap to allow the integration of Jigsaw-m3 
into jdk9/dev
Can someone review this ASAP:

Webrev: http://cr.openjdk.java.net/~amurillo/9/8152483/
Bug: https://bugs.openjdk.java.net/browse/JDK-8152483

Thanks

-- 
Alejandro