doc: 1.12 release notes for regexp, runtime, and runtime/debug packages
Change-Id: I30686cbeda34f42d5b1848b884588a76a9fb28b9
Reviewed-on: https://go-review.googlesource.com/c/152741
Reviewed-by: Andrew Bonventre <andybons@golang.org>
diff --git a/doc/go1.12.html b/doc/go1.12.html
index caba169..d2fa217 100644
--- a/doc/go1.12.html
+++ b/doc/go1.12.html
@@ -531,12 +531,12 @@
<dl id="regexp"><dt><a href="/pkg/regexp/">regexp</a></dt>
<dd>
- <p><!-- CL 139783 -->
- TODO: <a href="https://golang.org/cl/139783">https://golang.org/cl/139783</a>: add DeepEqual test
- </p>
-
<p><!-- CL 139784 -->
- TODO: <a href="https://golang.org/cl/139784">https://golang.org/cl/139784</a>: add partial Deprecation comment to Copy
+ <a href="/pkg/regexp/#Regexp.Copy"><code>Copy</code></a> is no longer necessary
+ to avoid lock contention, so it has been given a partial deprecation comment.
+ <a href="/pkg/regexp/#Regexp.Copy"><code>Copy</code></a>
+ may still be appropriate if the reason for its use is to make two copies with
+ different <a href="/pkg/regexp/#Regexp.Longest"><code>Longest</code></a> settings.
</p>
</dl><!-- regexp -->
@@ -544,7 +544,9 @@
<dl id="runtime"><dt><a href="/pkg/runtime/">runtime</a></dt>
<dd>
<p><!-- CL 135395 -->
- TODO: <a href="https://golang.org/cl/135395">https://golang.org/cl/135395</a>: use MADV_FREE on Linux if available
+ On Linux, the Go runtime now releases memory only when the OS is under memory
+ pressure. This is more efficient, but means a process's RSS (resident set size)
+ won't decrease unless the OS is running out of memory.
</p>
</dl><!-- runtime -->
@@ -552,7 +554,12 @@
<dl id="runtime/debug"><dt><a href="/pkg/runtime/debug/">runtime/debug</a></dt>
<dd>
<p><!-- CL 144220 -->
- TODO: <a href="https://golang.org/cl/144220">https://golang.org/cl/144220</a>: add API to read module info in binary
+ A new <a href="/pkg/runtime/debug/#BuildInfo"><code>BuildInfo</code></a> type
+ exposes the build information read from the running binary, available only in
+ binaries built with module support. This includes the main package path, main
+ module information, and the module dependencies. This type is given though the
+ <a href="/pkg/runtime/debug/#ReadBuildInfo"><code>ReadBuildInfo</code></a> function
+ on <a href="/pkg/runtime/debug/#BuildInfo"><code>BuildInfo</code></a>.
</p>
</dl><!-- runtime/debug -->
