8204331: AArch64: fix CAS not embedded in normal graph error
Summary: JDK fails with assert on AArch64 after changes made by JDK-8202377
Reviewed-by: roland, rkennke
jlahoda [Fri, 22 Jun 2018 11:26:55 +0200] rev 50712
8195077: [Testbug] tools/javac/processing/model/completionfailure/NoAbortForBadClassFile.java - AccessDeniedException
Summary: Use a new working directory for each sub-test.
Reviewed-by: vromero