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Austin Clements 2010189407 runtime: remove legacy eager write barrier
Now that the buffered write barrier is implemented for all
architectures, we can remove the old eager write barrier
implementation. This CL removes the implementation from the runtime,
support in the compiler for calling it, and updates some compiler
tests that relied on the old eager barrier support. It also makes sure
that all of the useful comments from the old write barrier
implementation still have a place to live.

Fixes #22460.

Updates #21640 since this fixes the layering concerns of the write
barrier (but not the other things in that issue).

Change-Id: I580f93c152e89607e0a72fe43370237ba97bae74
Reviewed-on: https://go-review.googlesource.com/92705
Run-TryBot: Austin Clements <austin@google.com>
Reviewed-by: Rick Hudson <rlh@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2018-02-13 16:34:46 +00:00
.github all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
api syscall: support Getwd on all BSDs 2018-02-13 15:41:19 +00:00
doc all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
lib/time lib/time: follow redirects in curl 2018-01-24 04:39:28 +00:00
misc runtime: use NOFRAME on mips and mips64 2018-02-12 21:41:32 +00:00
src runtime: remove legacy eager write barrier 2018-02-13 16:34:46 +00:00
test runtime: remove legacy eager write barrier 2018-02-13 16:34:46 +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: update late Go 1.10 contributors 2018-01-06 04:52:00 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: update late Go 1.10 contributors 2018-01-06 04:52:00 +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 all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
robots.txt

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