Menu-bar menus disappear on mouse click (are unavailable) when one or
more menu key-maps are corrupt or in an incomplete state. Menus left of
first corrupt key-map function as expected on mouse click.

Two cases have been observed:

1. Some, but not all menus with GC storage label/help text.

2. Menu with incomplete/missing sub-menus.

Symptoms seem to occur when a corrupted key-map is part of the
menu-bar.

Case 1 was first identified in the File/Filesets Menu. Filesets
rolls it's key-map directly. Purecopy is not used. On mouse click for
any menu theentire  menu-bar disappeared (possibly shrinking). Toolbar
tooltips
were displayed on mouse over the menu-bar.

When filesets was turn off some menus worked. Adding purecopy wrappers
to label/help text in those that didn't restored full menu-bar function.

Case 2 was found in imenu/semantic mode
menus. Semantic-imenu-auto-rebuild-directory-indexes was on. Visiting a
file in
a large directory (many other parsable files) causes menus left of the
mode menu to disappear/become unavailable.

Some messages were observed in the Message Buffer indicating that a row
in a semantic index/tag table was null/missing a value for a file. Force tag
updates restored full functioning in some instances. Visiting each file
cited in a message worked in all cases.

This instance of emacs is an example of case 2. It was started with -Q and
semantic-imenu configured manually through the scratch buffer. An elisp
file in a directory with 200+ .el files was visited.


In GNU Emacs 23.1.50.1 (i386-mingw-nt5.1.2600)
of 2009-10-15 on LENNART-69DE564
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags
-Ic:/g/include -fno-crossjumping'

Important settings:
 value of $LC_ALL: nil
 value of $LC_COLLATE: nil
 value of $LC_CTYPE: nil
 value of $LC_MESSAGES: nil
 value of $LC_MONETARY: nil
 value of $LC_NUMERIC: nil
 value of $LC_TIME: nil
 value of $LANG: ENU
 value of $XMODIFIERS: nil
 locale-coding-system: cp1252
 default enable-multibyte-characters: t

Major mode: Emacs-Lisp

Minor modes in effect:
 senator-minor-mode: t
 which-function-mode: t
 semantic-mru-bookmark-mode: t
 semantic-idle-summary-mode: t
 semantic-idle-scheduler-mode: t
 semantic-decoration-mode: t
 semantic-highlight-func-mode: t
 semantic-stickyfunc-mode: t
 tooltip-mode: t
 mouse-wheel-mode: t
 tool-bar-mode: t
 menu-bar-mode: t
 file-name-shadow-mode: t
 global-font-lock-mode: t
 font-lock-mode: t
 blink-cursor-mode: t
 global-auto-composition-mode: t
 auto-composition-mode: t
 auto-encryption-mode: t
 auto-compression-mode: t
 line-number-mode: t
 transient-mark-mode: t

Recent input:
<down-mouse-1> <mouse-1> C-j <down-mouse-1> <mouse-1>
<down-mouse-3> <mouse-3> <right> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> c e d e t <end>
C-j <down-mouse-1> <mouse-1> C-j <help-echo> <help-echo>
<help-echo> <down-mouse-2> <mouse-2> C-j <down-mouse-1>
<mouse-1> <right> l i s p - <C-right> <M-right> <down>
<down> <down> C-j <help-echo> <down-mouse-1> <mouse-1>
<left> e m a c s - <delete> <left> <left> <left> <left>
<left> <left> ' <down-mouse-1> <mouse-1> C-j <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<tool-bar> <dired> <help-echo> <help-echo> <help-echo>
<down-mouse-2> <mouse-2> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <escape> x i m
e n u - a d d - i m e n u - i n d e x <return> <tab>
<backspace> <backspace> <backspace> <backspace> <backspace>
<backspace> <backspace> <backspace> <backspace> <backspace>
<tab> <return> <help-echo> <down-mouse-1> <help-echo>
<drag-mouse-1> <help-echo> <down-mouse-1> <mouse-2>
<help-echo> <help-echo> <down-mouse-2> <mouse-2> <help-echo>
<escape> x s e m a n t i c - , o d e <backspace> <backspace>
<backspace> <backspace> , o d e <backspace> <backspace>
<backspace> <backspace> m o d e <return> <down> <end>
C-x C-e <escape> x <up> <up> <return> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <escape> x s e
n a t o r - m <tab> <down-mouse-1> <mouse-2> <escape>
x <up> <return> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <menu-bar>
<Senator> <Options> <Semantic Imenu...> <wheel-down>
<wheel-up> <double-wheel-up> <triple-wheel-up> <triple-wheel-up>
<wheel-down> <mouse-1> <down-mouse-1> <mouse-1> <help-echo>
<help-echo> <down-mouse-1> <C-down-mouse-1> <help-echo>
<help-echo> <help-echo> <menu-bar> <Senator> <Force
Tag Refresh> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <menu-bar> <Senator>
<Imenu Config> <List other files> <help-echo> <help-echo>
<menu-bar> <index> "*Rescan*" <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <drag-mouse-1> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<tool-bar> <help>

Recent messages:
Creating group... done
Creating customization items ...done
Resetting customization items...done
Creating customization setup...done
byte-code: Beginning of buffer [3 times]
To install your edits, invoke [State] and choose the Set operation
menu-bar Senator Force Tag Refresh
menu-bar index
Mark set
Quit

Load-path shadows:
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c:/Software/Emacs/site-lisp/dist/pde/perldb-ui
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c:/Software/Emacs/site-lisp/dist/org/org-xoxo hides
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c:/Software/Emacs/emacs-unpatched/lisp/org/org-list
c:/Software/Emacs/site-lisp/dist/org/org-latex hides
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hides c:/Software/Emacs/emacs-unpatched/lisp/progmodes/antlr-mode
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c:/Software/Emacs/emacs-unpatched/lisp/cedet/cedet-cscope

Features:
(shadow mail-extr message smtpmail ecomplete rfc822 mml mml-sec
password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231
rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader gnus-util netrc
time-date mm-util mail-prsvr gmm-utils mailheader canlock sha1 hex-util
hashcash mail-utils emacsbug sendmail semantic-tag-write cus-edit
cus-start cus-load eieio-opt semantic-tag-ls ede-simple ede-linux
ede-emacs ede-cpp-root semantic-tag-file semanticdb-file cedet-files
semantic-el semantic-bovine bovine-debug semantic-debug dired regexp-opt
semantic-find cedet-edebug cedet cedet-contrib-load cogre-load
cogre-srecode semantic-edit srecode-template-mode srecode-template
srecode-template-wy semantic-wisent wisent srecode-map
srecode-dictionary speedbar-load ede-load ede-speedbar ede-files ede
eieio-speedbar semantic-ia-sb semantic-analyze semantic-scope
semantic-analyze-fcn semantic-sort semantic-sb speedbar sb-image dframe
eieio-custom wid-edit ede-source srecode-load srecode semantic-load
senator which-func semantic-imenu imenu semantic-format ezimage
semantic-mru-bookmark ring semanticdb-mode semantic-idle semantic-ctxt
semantic-decorate-include semanticdb-find semanticdb-ref
semantic-decorate-mode semantic-decorate pulse eieio-load cedet-load
cedet-compat semanticdb-el semanticdb eieio-base semantic-util-modes
semantic-util semantic semantic-lex semantic-tag semantic-fw eieio
byte-opt bytecomp byte-compile inversion cl cl-19 mode-local find-func
advice help-fns advice-preload derived assoc working fame help-mode
easymenu view debug tooltip ediff-hook vc-hooks lisp-float-type mwheel
dos-w32 disp-table ls-lisp w32-win w32-vars tool-bar dnd fontset image
fringe lisp-mode register page menu-bar rfn-eshadow timer select
scroll-bar mldrag mouse jit-lock font-lock syntax facemenu font-core
frame cham georgian utf-8-lang misc-lang vietnamese tibetan thai
tai-viet lao korean japanese hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help
simple abbrev button minibuffer faces cus-face text-properties overlay
md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote make-network-process multi-tty emacs)