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Robert Findley 2933c451a0 go/types: merge Named type loading and expansion
Named type expansion and loading were conceptually similar: a mechanism
for lazily resolving type information in a concurrency-safe manner.
Unify them into a 'resolve' method, that delegates to a resolver func to
produce type parameters, underlying, and methods.

By leveraging the sync.Once field on Named for instance expansion, we
get closer to making instance expansion concurrency-safe, and remove the
requirement that instPos guard instantiation. This will be cleaned up
in a follow-up CL.

This also fixes #47887 by causing substituted type instances to be
expanded (in the old code, this could be fixed by setting instPos when
substituting).

For #47910
Fixes #47887

Change-Id: Ifc52a420dde76e3a46ce494fea9bd289bc8aca4c
Reviewed-on: https://go-review.googlesource.com/c/go/+/349410
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
2021-09-14 23:20:18 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api net: reduce allocations for UDP send/recv on Windows 2021-08-16 23:57:10 +00:00
doc spec: fix prose about terminating statements 2021-09-13 22:57:34 +00:00
lib/time lib/time: fix RFC 6557 url 2021-08-15 02:18:46 +00:00
misc misc/wasm: enable ECMAScript strict mode 2021-09-03 19:56:09 +00:00
src go/types: merge Named type loading and expansion 2021-09-14 23:20:18 +00:00
test cmd/compile: set IsShape based on type being in the Shapes pkg 2021-09-14 23:07:15 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: update name 2021-06-01 17:08:12 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.17 release 2021-08-12 17:43:16 +00:00
LICENSE
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README.md README: pull gopher image from website 2021-02-16 18:25:10 +00:00
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