[perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18

bulk88 requested that this be marked a 5.20.0 blocker, but I'm not entirely sure what issue remains on the ticket, on which discussion has sort of meandered.

(a) is this still a blocker candidate?
(b) what's up?

-- 
rjbs

---
via perlbug:  queue: perl5 status: open
https://rt.perl.org/Ticket/Display.html?id=121230

• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by Ricardo SIGNES via RT
• Re: [perl #121230] process group kill on Win32 broken in 5.17.2,regression 5.18 by Dave Mitchell
• Re: [perl #121230] process group kill on Win32 broken in 5.17.2,regression5.18 by bulk88
• Re: [perl #121230] process group kill on Win32 broken in5.17.2,regression 5.18 by Steve Hay
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• Re: [perl #121230] process group kill on Win32 broken in 5.17.2,regression 5.18 by Steve Hay
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT
• [perl #121230] process group kill on Win32 broken in 5.17.2, regression 5.18 by bulk88 via RT