From cad6d1fef5147d31e94ee83934c8609d3ad150b7 Mon Sep 17 00:00:00 2001
From: Elias Naur <elias.naur@gmail.com>
Date: Mon, 21 Jan 2019 16:12:46 +0100
Subject: [PATCH] doc/go1.12.html: document rejection of mangled C names

Change-Id: I27ef49815f55a36379b730b77f7e9a4dd5341507
Reviewed-on: https://go-review.googlesource.com/c/158777
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
 doc/go1.12.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/go1.12.html b/doc/go1.12.html
index 0a998c06e0..dddf44b520 100644
--- a/doc/go1.12.html
+++ b/doc/go1.12.html
@@ -139,6 +139,12 @@ go vet -vettool=$(which shadow)
 	for more information.
 </p>
 
+<p><!-- CL 152657 -->
+  Mangled C names are no longer accepted in packages that use Cgo. Use the Cgo
+  names instead. For example, use the documented cgo name <code>C.char</code>
+  rather than the mangled name <code>_Ctype_char</code> that cgo generates.
+</p>
+
 <h3 id="modules">Modules</h3>
 
 <p><!-- CL 148517 -->