[Patch] Fix missing shenandoah entry in GCNameHelper::to_string

[Aleksey Shipilev]

On 06/20/2018 04:01 PM, Joshua Matsuoka wrote:
> Hi,
> 
> A case for Shenandoah was missing in GCNameHelper's to_string method. The
> result of this was when trying to use Flight Recorder, it would call this
> method as part of writing the GC Name then fall through to the default case
> and end up with a ShouldNotReachHere.
> 
> The attached patch adds the missing case and resolves the issue.
> 
> Thoughts?

Thank you, reviewed and pushed:
  http://hg.openjdk.java.net/shenandoah/jdk/rev/f6b1bbc4a6ba

-Aleksey