hg: jdk/jdk: 8232881: Remove unnecessary InstanceKlass::casts

[claes.redestad at oracle.com]

Changeset: 1f7f707c1aa9
Author:    redestad
Date:      2019-10-23 18:34 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/1f7f707c1aa9

8232881: Remove unnecessary InstanceKlass::casts
Reviewed-by: coleenp

! src/hotspot/share/classfile/classListParser.cpp
! src/hotspot/share/classfile/defaultMethods.cpp
! src/hotspot/share/classfile/systemDictionary.cpp
! src/hotspot/share/classfile/verificationType.cpp
! src/hotspot/share/jvmci/jvmciRuntime.cpp
! src/hotspot/share/prims/jniCheck.cpp