[tools] internal/stdlib: IsBootstrap and BootstrapVersion

[Alan Donovan (Gerrit)]

Alan Donovan submitted the change

Unreviewed changes

3 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.

Change information

Commit message:

internal/stdlib: IsBootstrap and BootstrapVersion

This change causes the stdlib package to expose a predicate that
reports whether a package is one of the low-level ones covered
by the bootstrapping policy. Such packages must not use features
of Go later than the version of the bootstrap toolchain, which
is exposed by the BootstrapVersion constant.

For golang/go#71859

+ test

Change-Id: I0ba9914a9c3c76bcc59feb41052d5b2a31e5ac49

Reviewed-on: https://go-review.googlesource.com/c/tools/+/718780

Reviewed-by: Robert Findley <rfin...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Auto-Submit: Alan Donovan <adon...@google.com>

Files:

• M internal/stdlib/deps.go
• M internal/stdlib/deps_test.go
• M internal/stdlib/generate.go
• M internal/stdlib/import.go
• M internal/stdlib/manifest.go
• M internal/stdlib/testdata/nethttp.deps
• M internal/stdlib/testdata/nethttp.imports

Change size: L

Delta: 7 files changed, 652 insertions(+), 330 deletions(-)

Branch: refs/heads/master

Submit Requirements:

• Code-Review: +2 by Robert Findley
• TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: tools

Gerrit-Branch: master

Gerrit-Change-Id: I0ba9914a9c3c76bcc59feb41052d5b2a31e5ac49

Gerrit-Change-Number: 718780

Gerrit-PatchSet: 5

Gerrit-Owner: Alan Donovan <adon...@google.com>

Gerrit-Reviewer: Alan Donovan <adon...@google.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Gerrit-Reviewer: Robert Findley <rfin...@google.com>

Gerrit-CC: Dmitri Shuralyov <dmit...@golang.org>