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Russ Cox 6826287c6b [dev.regabi] cmd/compile: replace evconst with non-mutating version
evconst is one of the largest sources of Op rewrites,
which prevent separating different kinds of nodes
(in this case, arithmetic nodes and OLITERAL nodes).

The change in swt.go is necessary because otherwise
the syntax graph ends up containing that OLEN expression
multiple times, which violates the invariant that it's a tree
except for ONAME, OLITERAL, and OTYPE nodes.
(Before, the OLEN was overwritten by an OLITERAL, so the
invariant still held, but now that we don't overwrite it,
we need a different copy for each instance.)

Passes toolstash -cmp.

Change-Id: Ia004774ab6852fb384805d0f9f9f234b40842811
Reviewed-on: https://go-review.googlesource.com/c/go/+/272869
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-11-24 20:58:42 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api: update next.txt 2020-10-29 20:51:49 +00:00
doc syscall: add DLLError.Unwrap function 2020-11-21 07:37:02 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020d 2020-10-24 21:42:44 +00:00
misc cmd/compile: mark plugin-exported types as used in interface 2020-11-13 22:01:37 +00:00
src [dev.regabi] cmd/compile: replace evconst with non-mutating version 2020-11-24 20:58:42 +00:00
test [dev.regabi] cmd/compile: cleanup type switch typechecking 2020-11-24 19:32:42 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.15 release 2020-08-10 21:51:48 +00:00
favicon.ico
LICENSE
PATENTS
README.md README: linkify some paths 2018-06-06 18:07:01 +00:00
robots.txt
SECURITY.md SECURITY.md: update go versions 2019-09-26 15:34:57 +00:00

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