hg: jdk9/hs-comp/hotspot: 8131782: C1 Class.cast optimization breaks when Class is loaded from static final

[dean.long at oracle.com]

Changeset: df802f98b828
Author:    shade
Date:      2015-07-24 21:29 -0400
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/df802f98b828

8131782: C1 Class.cast optimization breaks when Class is loaded from static final
Summary: change as_ValueType() to return InstanceConstant when appropriate
Reviewed-by: jrose

! src/share/vm/c1/c1_ValueType.cpp