File emacs-cc-mode-custom-keywords.patch of Package emacs

diff --git a/cc-langs.el b/cc-langs.el.new
index 20de650..755ce57 100644
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -2408,7 +2408,7 @@ If any of these also are on `c-type-list-kwds', `c-ref-list-kwds',
 `c-<>-type-kwds', or `c-<>-arglist-kwds' then the associated clauses
 will be handled."
   t    nil
-  (c c++) '("extern" "inline" "register" "static")
+  (c c++) (append '("extern" "inline" "register" "static") c-custom-modifier-kwds)
   c    (append '("auto") (c-lang-const c-modifier-kwds))
   c++  (append '("constexpr" "explicit" "friend" "mutable" "template"
 		 "thread_local" "virtual")
diff --git a/lisp/progmodes/cc-langs.el b/lisp/progmodes/cc-langs.el
index 1b44c75..7ba6c01 100644
--- a/lisp/progmodes/cc-langs.el
+++ b/lisp/progmodes/cc-langs.el
@@ -127,6 +127,7 @@
 
 (cc-require 'cc-defs)
 (cc-require 'cc-vars)
+(cc-require 'cc-custom-keywords)
 
 
 ;; This file is not always loaded.  See note above.
@@ -2482,10 +2483,24 @@ one of `c-type-list-kwds', `c-ref-list-kwds',
   ;; like this usually is wrapped in project specific macros.  (It'd
   ;; of course be even better if we could cope without knowing this.)
   t nil
-  (c c++) '(;; GCC extension.
+  (c c++) (append '(;; GCC extension.
 	    "__attribute__"
 	    ;; MSVC extension.
-	    "__declspec"))
+	    "__declspec"
+	    "__cdecl"
+	    "__stdcall"
+	    "__fastcall"
+	    "__thiscall"
+	    "__always_inline"
+	    "__forceinline"
+	    "__noinline"
+	    "__deprecated"
+	    "__may_alias"
+	    "__noreturn"
+	    "__restrict"
+	    "alignas"
+	    )
+            c-custom-hangon-kwds))
 
 (c-lang-defconst c-decl-hangon-key
   ;; Adorned regexp matching `c-decl-hangon-kwds'.
@@ -2705,7 +2713,8 @@ regexp if `c-colon-type-list-kwds' isn't nil."
   "Keywords that may be followed by a parenthesis expression that doesn't
 contain type identifiers."
   t       nil
-  (c c++) '(;; GCC extension.
+  (c c++) '("alignas"
+            ;; GCC extension.
 	    "__attribute__"
 	    ;; MSVC extension.
 	    "__declspec")
@@ -2719,7 +2728,7 @@ contain type identifiers."
   "Keywords that may be followed by a parenthesis expression containing
 type identifiers separated by arbitrary tokens."
   t    nil
-  c++  '("throw")
+  c++  '("throw" "alignas")
   objc '("@defs")
   idl  '("switch")
   pike '("array" "function" "int" "mapping" "multiset" "object" "program"))