[sh/jdk8u] Bulk backports to sh/jdk8

[Aleksey Shipilev]

On 6/1/21 3:12 PM, Zhengyu Gu wrote:
> 
> 
> On 5/31/21 5:29 AM, Aleksey Shipilev wrote:
>> Hi,
>>
>> I would like to backport these simple things to reduce the difference
>> between codebases:
>>     [backport] 8261413: Shenandoah: Disable class-unloading in I-U mode
>>     [backport] 8261251: Shenandoah: Use object size for full GC humongous
>>     [backport] 8259954: gc/shenandoah/mxbeans tests fail with -Xcomp
>>     [backport] 8259580: Shenandoah: uninitialized label in
>> VerifyThreadGCState
>>
>> Webrev:
>>     
>> https://cr.openjdk.java.net/~shade/shenandoah/backports/jdk8u-20210531/webrev.01/
>>
>>
>> Testing: hotspot_gc_shenandoah {fastdebug,release}
>>
> 
> shenandoahVerifier.cpp
> 
>    class VerifyThreadGCState : public ThreadClosure {
>    private:
> -  const char* _label;
> -  char _expected;
> +  const char* const _label;
> +         char const _expected;
> 
> Indent.

This matches upstream:
 
https://github.com/openjdk/jdk/blob/master/src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp#L601-L602

OK to go in?

-- 
Thanks,
-Aleksey