Fix a glitch in CC Mode's syntactic whitespace cache.

* lisp/progmodes/cc-engine.el (c-forward-sws): Deal correctly with a block
comment close at the end of a macro.

1 files changed, 4 insertions, 11 deletions

diff --git a/lisp/progmodes/cc-engine.el b/lisp/progmodes/cc-engine.el
index d20e575a928..bf95dc1e3ce 100644
--- a/lisp/progmodes/cc-engine.el
+++ b/lisp/progmodes/cc-engine.el
@@ -1980,17 +1980,10 @@ comment at the start of cc-engine.el for more info."
                 (end-of-line))
               (setq macro-end (point))
               ;; Check for an open block comment at the end of the macro.
-              (goto-char macro-start)
-              (let (s in-block-comment)
-                (while
-                    (progn
-                      (setq s (parse-partial-sexp (point) macro-end
-                                                  nil nil s 'syntax-table))
-                      (< (point) macro-end))
-                  (setq in-block-comment
-                        (and (elt s 4)       ; in a comment
-                             (null (elt s 7))))) ; a block comment
-                (if in-block-comment (setq safe-start nil)))
+              (let ((s (parse-partial-sexp macro-start macro-end)))
+                (if (and (elt s 4)                  ; in a comment
+                         (null (elt s 7)))          ; a block comment
+                    (setq safe-start nil)))
               (forward-line 1)
               ;; Don't cache at eob in case the buffer is narrowed.
               (not (eobp)))