git: openjdk/jdk: 8262913: KlassFactory::create_from_stream should never return NULL

[Coleen Phillimore]

Changeset: 4d21a455
Author:    Coleen Phillimore <coleenp at openjdk.org>
Date:      2021-03-10 14:15:32 +0000
URL:       https://git.openjdk.java.net/jdk/commit/4d21a455

8262913: KlassFactory::create_from_stream should never return NULL

Reviewed-by: hseigel, iklam

! src/hotspot/share/classfile/classFileStream.cpp
! src/hotspot/share/classfile/klassFactory.cpp
! src/hotspot/share/classfile/systemDictionary.cpp
! src/hotspot/share/prims/jni.cpp
! src/hotspot/share/prims/jvm.cpp
! src/hotspot/share/prims/unsafe.cpp
+ test/hotspot/jtreg/runtime/DefineClass/A.java
+ test/hotspot/jtreg/runtime/DefineClass/NullClassBytesTest.java
+ test/hotspot/jtreg/runtime/DefineClass/libNullClassBytesTest.c