bug#18447: 24.3; transfer case doesn't work in some instances

[Randy Yates]

(defun transfer-case-test ()
  (let ((case-fold-search t)
        (case-replace t))
  (with-current-buffer (current-buffer) 
    (insert "x86_64")(newline)
    (insert "X86_64")(newline)
    (goto-char (point-min))
    (perform-replace "x86_64" "armv7l" t nil nil nil nil nil nil))))

Evaluate transfer-case-test in a new emacs -Q to see the problem. The
resulting text in the buffer will by "armv7l\n armv7l" instead of the
expected "armv7l\n ARMV7L".

--Randy


In GNU Emacs 24.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.10.9)
 of 2014-08-18 on buildvm-21.phx2.fedoraproject.org
Windowing system distributor `Fedora Project', version 11.0.11404000
System Description:     Fedora release 20 (Heisenbug)

Configured using:
 `configure '--build=x86_64-redhat-linux-gnu'
 '--host=x86_64-redhat-linux-gnu' '--program-prefix='
 '--disable-dependency-tracking' '--prefix=/usr' '--exec-prefix=/usr'
 '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc'
 '--datadir=/usr/share' '--includedir=/usr/include'
 '--libdir=/usr/lib64' '--libexecdir=/usr/libexec'
 '--localstatedir=/var' '--sharedstatedir=/var/lib'
 '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-dbus'
 '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff'
 '--with-xft' '--with-xpm' '--with-x-toolkit=gtk3' '--with-gpm=no'
 'build_alias=x86_64-redhat-linux-gnu'
 'host_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g
 -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
 -fstack-protector-strong --param=ssp-buffer-size=4
 -grecord-gcc-switches -m64 -mtune=generic' 'LDFLAGS=-Wl,-z,relro ''

Important settings:
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=none
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Apropos

Minor modes in effect:
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  show-paren-mode: t
  display-time-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

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t s SPC <backspace> <backspace> SPC s n o t e . <backspace> 
<backspace> . <return> <help-echo> <help-echo> C-x 
b * G r <tab> <return> C-p M-g C-p C-u <return> 4 0 
<return> C-n C-p # # # C-e C-a C-n # # B m <return> 
SPC C-x o <help-echo> <help-echo> <help-echo> <help-echo> 
C-x o C-p C-p C-p SPC C-x o K H q y C-p M-g C-p C-u 
C-g C-x b <return> C-r y a t e s <return> C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-v C-v M-> C-p 
C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p C-p M-% 
C-g C-g C-g C-h f b u g <return> <tab> m o d e <tab> 
<return> M-x C-g C-g C-h a r e p o r t <return> C-x 
o C-s b u g C-s C-s C-s C-s C-s C-s C-s C-s C-s C-r 
C-r <return> C-a C-p <return> C-x o C-n C-n C-n q M-: 
( <backspace> C-g M-x r e p o r t - e m a c s - b <tab> 
<return>

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Features:
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gnus-cache gnus-sum nnoo gnus-group gnus-undo nnmail mail-source
gnus-start gnus-spec gnus-int gnus-range message cl-macs format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems nnheader wid-edit
server mule-util browse-url pcmpl-unix edmacro c-comment-edit cc-langs
cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine
cc-vars cc-defs goto-addr noutline outline view kmacro image-mode
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add-log vc-bzr vc-sccs vc-svn vc-cvs vc-rcs help-mode thingatpt dired
vc-git tex-mode compile shell pcomplete comint ansi-color ring latexenc
paren time delsel cus-start cus-load vc vc-dispatcher derived my-slime
solarized-dark-theme solarized my-color-theme my-tags my-packages
my-grep-find-file my-dictionary my-compile gv my-project smtpmail
auth-source eieio byte-opt bytecomp byte-compile cconv gnus-util
password-cache sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils my-gnus my-git my-utils ido email-html cl cl-lib
magit-autoloads org-autoloads info easymenu package time-date tooltip
ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd tool-bar dnd
fontset image regexp-opt fringe tabulated-list newcomment lisp-mode
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x-toolkit x multi-tty emacs)