I can't reproduce this either. Is this still a problem?
-doy
---
via perlbug: queue: perl5 status: open
https://rt.perl.org:443/rt3/Ticket/Display.html?id=77372
[perl #77372] Deleting non-existent values from %ENV causes segfault when compiled with PERL_USE_SAFE_PUTENV
by Jesse Luehrs via RT