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Austin Clements db1e8a9e1f runtime: make traceback indicate whether _defer was just allocated
Many of the crashes observed in #27993 involve committing the new
_defer object at the end of newdefer. It would be helpful to know if
the _defer was just allocated or was retrieved from the defer pool. In
order to indicate this in the traceback, this CL duplicates the tail
of newdefer so that the PC/line number will tell us whether d is new
or not.

For #27993.

Change-Id: Icd3e23dbcf00461877bb082b6f18df701149a607
Reviewed-on: https://go-review.googlesource.com/c/154598
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
2018-12-17 21:24:13 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api syscall: FreeBSD 12 ino64 support 2018-10-05 21:38:13 +00:00
doc doc/go1.12: updates for runtime and compiler 2018-12-17 21:12:59 +00:00
lib/time lib/time: update tzdata to 2018g 2018-11-28 08:22:56 +00:00
misc cmd/fix,cmd/cgo,misc/cgo: map the EGLDisplay C type to uintptr in Go 2018-12-15 19:27:41 +00:00
src runtime: make traceback indicate whether _defer was just allocated 2018-12-17 21:24:13 +00:00
test cmd/compile: generate interface method expression wrapper for error.Error 2018-12-17 19:48:36 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add VMware as author, Venil Noronha as contributor 2018-08-31 02:14:24 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: add VMware as author, Venil Noronha as contributor 2018-08-31 02:14:24 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
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