If a file in c-mode contains constructs that look like C++ templates,
c-mode will try to use parts of the template-matching infrastructure
that have not been initialized.

=== modified file 'lisp/progmodes/cc-engine.el'
--- lisp/progmodes/cc-engine.el	2010-11-15 04:13:16 +0000
+++ lisp/progmodes/cc-engine.el	2010-11-25 03:09:29 +0000
@@ -5889,7 +5889,8 @@
   ;; `c-record-type-identifiers' is non-nil.
   ;;
   ;; This function might do hidden buffer changes.
-  (when (looking-at "<")
+  (when (and c-recognize-<>-arglists
+             (looking-at "<"))
     (c-forward-<>-arglist t)
     (c-forward-syntactic-ws))