_content: document cgo requirement for race detector
The race detector doc doesn't state cgo,
the content is basically as ALTree suggested in issue 51235.
Fixes golang/go#51235
Change-Id: I03356c01f4542e69a02c712063afb77ae68cc90f
Reviewed-on: https://go-review.googlesource.com/c/website/+/386454
Reviewed-by: DO NOT USE <iant@google.com>
Trust: Dmitri Shuralyov <dmitshur@google.com>
diff --git a/_content/doc/articles/race_detector.html b/_content/doc/articles/race_detector.html
index dbe6a59..c7f5989 100644
--- a/_content/doc/articles/race_detector.html
+++ b/_content/doc/articles/race_detector.html
@@ -410,10 +410,10 @@
close(c)
</pre>
-<h2 id="Supported_Systems">Supported Systems</h2>
+<h2 id="Requirements">Requirements</h2>
<p>
- The race detector runs on
+ The race detector requires cgo to be enabled and supports
<code>linux/amd64</code>, <code>linux/ppc64le</code>,
<code>linux/arm64</code>, <code>freebsd/amd64</code>,
<code>netbsd/amd64</code>, <code>darwin/amd64</code>,