From 54319e7a2418690508f29cd6833c9fd9ecbc2fa3 Mon Sep 17 00:00:00 2001
From: Alan Mackenzie <acm@muc.de>
Date: Sat, 25 Feb 2017 14:53:59 +0000
Subject: [PATCH] Allow for the :: operator in C++ "enum class" declarations.

* lisp/progmodes/cc-engine.el (c-backward-typed-enum-colon): Check for
"::".
---
 lisp/progmodes/cc-engine.el | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lisp/progmodes/cc-engine.el b/lisp/progmodes/cc-engine.el
index dfd7aebd569..a5ade09791a 100644
--- a/lisp/progmodes/cc-engine.el
+++ b/lisp/progmodes/cc-engine.el
@@ -10130,6 +10130,8 @@ comment at the start of cc-engine.el for more info."
 	       (or (not (looking-at "\\s)"))
 		   (c-go-up-list-backward))
 	       (cond
+		((looking-at "::")
+		 t)
 		((and (eql (char-after) ?:)
 		      (save-excursion
 			(c-backward-syntactic-ws)
-- 
2.11.4.GIT