hg: jdk9/hs-gc/hotspot: 8077265: Modify assert to help debug JDK-8068448

[jesper.wilhelmsson at oracle.com]

Changeset: 14d4bc33ff68
Author:    ecaspole
Date:      2015-04-17 10:08 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/14d4bc33ff68

8077265: Modify assert to help debug JDK-8068448
Summary: Added relevant asserts on covered_region for allocation methods in psOldGen.hpp
Reviewed-by: tschatzl, stefank

! src/share/vm/gc_implementation/parallelScavenge/psOldGen.hpp