emacs-27 9664ee1: C++ Mode: Don't confuse the pointer operator -> with the type indicating ->

[Alan Mackenzie]

branch: emacs-27
commit 9664ee182c3af476c1532354a867a421f9fbacf1
Author: Alan Mackenzie <acm@muc.de>
Commit: Alan Mackenzie <acm@muc.de>

    C++ Mode: Don't confuse the pointer operator -> with the type indicating ->
    
    This fixes bug #47468.
    
    * lisp/progmodes/cc-engine.el (c-looking-at-inexpr-block): While searching
    backwards for "->" which is a type indicating operator, disallow also 
commas.
---
 lisp/progmodes/cc-engine.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/cc-engine.el b/lisp/progmodes/cc-engine.el
index 9cba87f..f5e4c4b 100644
--- a/lisp/progmodes/cc-engine.el
+++ b/lisp/progmodes/cc-engine.el
@@ -11993,7 +11993,7 @@ comment at the start of cc-engine.el for more info."
                       (save-excursion
                         (while
                             (progn
-                              (c-syntactic-skip-backward "^;=}>" closest-lim t)
+                              (c-syntactic-skip-backward "^;=,}>" closest-lim 
t)
                               (and (eq (char-before) ?>)
                                    (c-backward-token-2)
                                    (not (looking-at c-haskell-op-re)))))