hg: jdk/submit: 8238272: Eliminate cast_from_oop to narrowOop*

[kim.barrett at oracle.com]

Changeset: 8fb865d293a9
Author:    kbarrett
Date:      2020-02-12 15:38 -0500
URL:       https://hg.openjdk.java.net/jdk/submit/rev/8fb865d293a9

8238272: Eliminate cast_from_oop to narrowOop*
Summary: Improved low address computation in ObjArrayKlass::oop_oop_iterate_range.
Reviewed-by: tschatzl, sjohanss

! src/hotspot/share/oops/objArrayKlass.inline.hpp