git: openjdk/mobile: 8231630: Optimize boot loader with no bootclasspath append entry

[duke]

Changeset: 874037d2
Author:    Jiangli Zhou <jiangli at openjdk.org>
Date:      2019-10-07 11:29:10 +0000
URL:       https://git.openjdk.java.net/mobile/commit/874037d2

8231630: Optimize boot loader with no bootclasspath append entry

Optimize SystemDictionary::load_instance_class for boot loader. Immediately return NULL if the requested class is either in the unnamed package or unnamed module, or in a module not defined to the boot loader, when there is no bootclasspath append entry.

Reviewed-by: martin, aeubanks, dthomson, redestad, lfoltan, iklam

! src/hotspot/share/classfile/classLoader.hpp
! src/hotspot/share/classfile/systemDictionary.cpp