Eric Daniels d9b006a705 runtime/traceback: support tracking goroutine ancestor tracebacks with GODEBUG="tracebackancestors=N" ... Currently, collecting a stack trace via runtime.Stack captures the stack for the immediately running goroutines. This change extends those tracebacks to include the tracebacks of their ancestors. This is done with a low memory cost and only utilized when debug option tracebackancestors is set to a value greater than 0. Resolves #22289 Change-Id: I7edacc62b2ee3bd278600c4a21052c351f313f3a Reviewed-on: https://go-review.googlesource.com/70993 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Austin Clements <austin@google.com>		2018-04-13 20:42:38 +00:00
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testprog	runtime/traceback: support tracking goroutine ancestor tracebacks with GODEBUG="tracebackancestors=N"	2018-04-13 20:42:38 +00:00
testprogcgo	cmd/go, cmd/link, runtime: enable PIE build mode, cgo race tests on FreeBSD	2018-03-27 02:50:29 +00:00
testprognet