RFR: ZGC: Turn off VerifyDuringStartup

[Per Liden]

Looks good.

/Per

On 2018-05-29 15:06, Stefan Karlsson wrote:
> Hi all,
> 
> ZGC doesn't allow verification outside of the mark end pause. The 
> following patch forcefully turns VerifyDuringStartup off, just like we 
> do with VerifyBeforeExit.
> 
> diff --git a/src/hotspot/share/gc/z/zArguments.cpp 
> b/src/hotspot/share/gc/z/zArguments.cpp
> --- a/src/hotspot/share/gc/z/zArguments.cpp
> +++ b/src/hotspot/share/gc/z/zArguments.cpp
> @@ -87,7 +87,8 @@
>     FLAG_SET_DEFAULT(ClassUnloading, false);
>     FLAG_SET_DEFAULT(ClassUnloadingWithConcurrentMark, false);
> 
> -  // Verification before exit not (yet) supported
> +  // Verification before startup and after exit not (yet) supported
> +  FLAG_SET_DEFAULT(VerifyDuringStartup, false);
>     FLAG_SET_DEFAULT(VerifyBeforeExit, false);
> 
>     // JVMCI not (yet) supported
> 
> 
> Thanks,
> StefanK