From: Ian Lance Taylor <iant@golang.org>
Date: Tue, 8 Jun 2021 19:42:02 +0000 (-0700)
Subject: doc/go1.17: mention new possibility of type conversion panicking
X-Git-Tag: go1.17beta1~12
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=bcecae2af6;p=gostls13.git

doc/go1.17: mention new possibility of type conversion panicking

For #44513
For #46020

Change-Id: I07c7a4268465c536d1866cc6bb1fad76b2b88b15
Reviewed-on: https://go-review.googlesource.com/c/go/+/326149
Trust: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
---

diff --git a/doc/go1.17.html b/doc/go1.17.html
index cc3bcdf180..011377a84e 100644
--- a/doc/go1.17.html
+++ b/doc/go1.17.html
@@ -67,6 +67,14 @@ Do not send CLs removing the interior tags from such phrases.
   using <code>unsafe.Add</code> or <code>unsafe.Slice</code>.
 </p>
 
+
+<p>
+  Note that the new conversion from slice to array pointer is the
+  first case in which a type conversion can panic at run time.
+  Analysis tools that assume type conversions can never panic
+  should be updated to consider this possibility.
+</p>
+
 <h2 id="ports">Ports</h2>
 
 <h3 id="darwin">Darwin</h3>