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Matthew Dempsky 95b8cbfee9 cmd/compile: add column details to export data
This CL updates the export data format to include column details when
writing out position data. cmd/compile is updated to generate and make
use of the new details, but go/internal/gcimporter only knows how to
read the data. It doesn't yet actually make use of it.

Experimentally across a wide range of packages, this increases export
data size by around 4%. However, it has no impact on binary size.
(Notably, it actually shrinks k8s.io/kubernetes/cmd/kubelet's binary
size by 24kB, but it's unclear to me why at this time.)

Updates #28259.

Change-Id: I351fb340839df8d3adced49b3757c4537fb91b3f
Reviewed-on: https://go-review.googlesource.com/c/go/+/196963
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
2019-09-27 18:38:37 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc net/http, doc/go1.13.html: revert TimeoutHandler.Flush 2019-09-26 21:12:34 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc misc, runtime, test: extra tests and benchmarks for defer 2019-09-25 23:27:16 +00:00
src cmd/compile: add column details to export data 2019-09-27 18:38:37 +00:00
test cmd/compile: apply constant folding to ORUNESTR 2019-09-26 23:54:29 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +00:00
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