[Varnish] #1639: sigsegv_handler can hide panic

[Varnish]

#1639: sigsegv_handler can hide panic
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 Reporter:  slink     |      Owner:
     Type:  defect    |     Status:  new
 Priority:  normal    |  Milestone:
Component:  varnishd  |    Version:  trunk
 Severity:  normal    |   Keywords:
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 see #1638

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1639>
Varnish <https://varnish-cache.org/>
The Varnish HTTP Accelerator