bug#11837: 24.1.50; *Compile-Log* Error: Don't know how to compile nil

[Vladimir Lomov <lomov.vl@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 3235 bytes --]

Hello,
** Stefan Monnier [2012-07-02 10:12:34 -0400]:

>> emacs -Q --debug-init --eval '(setq load-path (cons "/usr/share/emacs/site-lisp" load-path))' -l /usr/share/emacs/site-lisp/auctex.el ex.ltx

>> After start in window at bottom message is shown:

>> Error: Don't know how to compile nil

> Can you please try: emacs -Q --debug-init --eval '(setq load-path (cons "/usr/share/emacs/site-lisp" load-path) debug-on-error t byte-compile-debug t)' -l /usr/share/emacs/site-lisp/auctex.el ex.ltx

> and show us the resulting backtrace (assuming you get one)?

Yes, I got. I run above command, copied (`C-x r s r') to other buffer
(`C-x r i r') and saved as file `backtrace.txt'. I hope this is the
right way.

>         Stefan

---------------------------- 8< ----------------------------
Debugger entered--Lisp error: (error "Don't know how to compile nil")
  signal(error ("Don't know how to compile nil"))
  error("Don't know how to compile %S" nil)
  #[0 "\306	!\307\211\211\211\211\211\n\v\f\r\x0e\x13\x1e\x13\x1d\x1c^[\x1a\x1e\x14\x1e\x15\x1e\x16\x1e\x17\x1e\x18\x1e\x19\x1e\x1a\x0e^[\x1e^[\3009\2037\0\310\300!\2058\0\300K\2028\0\300\211\242\311=\211\203D\0\x01A\262\x02\3009\203`\0\x01\242\312>\204U\0\313\314\x03\"\210\315\x02!\262\x02\x01@\316=\x16^[\x01\242\317=\204l\0\313\314\x03\"\210\320\x02!\262\x02\x01\242\321=\203\201\0\x01\211\x1e\x1cA@)\262\x02\322\x02!\262\x02\211\203\217\0\311\x02B\262\x02\3009\203\232\0\300\x02M\202\233\0\x01)\266\202.\f\207" [font-latex-warning byte-compile-initial-macro-environment byte-compile-verbose byte-optimize byte-compile-dynamic byte-compile-dynamic-docstrings copy-alist nil fboundp macro (closure lambda) error "Don't know how to compile %S" byte-compile--refiy-function closure lambda byte-compile-preprocess function byte-compile-lambda byte-compile-warnings byte-compile-free-assignments byte-compile-free-references byte-compile-const-variables byte-compile-bound-variables byte-compile-function-environment byte-compile--outbuffer byte-compile-macro-environment lexical-binding x] 13 "\n\n(fn)"]()
  byte-compile(font-latex-warning)
  byte-code("\305\306\307\"\210\b\310=\203\x0e\0\307 \210\311\312K!\203=\0	\313\x1a\211^[\203<\0\v@\211\x12@\x1c\314\315\316\fP!!\210\314\315\316\f\317Q!!\210)\vA\211\x13\204\x1d\0*\320\321!\207" [major-mode font-latex-built-in-keyword-classes elt --dolist-tail-- name add-hook latex-mode-hook font-latex-setup latex-mode byte-code-function-p font-latex-make-built-in-keywords nil byte-compile intern "font-latex-" "-make" provide font-latex] 6)
  font-latex-setup()
  VirTeX-common-initialization()
  LaTeX-common-initialization()
  latex-mode()
  set-auto-mode-0(latex-mode nil)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer ex.ltx> "~/tmp/ex.ltx" nil nil "~/tmp/ex.ltx" (12328882 2051))
  find-file-noselect("/home/vladimir/tmp/ex.ltx" nil nil nil)
  find-file("/home/vladimir/tmp/ex.ltx")
  command-line-1(("--eval" "(setq load-path (cons \"/usr/share/emacs/site-lisp\" load-path) debug-on-error t byte-compile-debug t)" "-l" "/usr/share/emacs/site-lisp/auctex.el" "ex.ltx"))
  command-line()
  normal-top-level()
---------------------------- 8< ----------------------------

-- 
No discipline is ever requisite to force attendance upon lectures which are
really worth the attending.
		-- Adam Smith, "The Wealth of Nations"

[-- Attachment #2: backtrace.txt --]
[-- Type: text/plain, Size: 2209 bytes --]

Debugger entered--Lisp error: (error "Don't know how to compile nil")
  signal(error ("Don't know how to compile nil"))
  error("Don't know how to compile %S" nil)
  #[0 "\306	!\307\211\211\211\211\211\n\v\f\r\x0e\x13\x1e\x13\x1d\x1c^[\x1a\x1e\x14\x1e\x15\x1e\x16\x1e\x17\x1e\x18\x1e\x19\x1e\x1a\x0e^[\x1e^[\3009\2037\0\310\300!\2058\0\300K\2028\0\300\211\242\311=\211\203D\0\x01A\262\x02\3009\203`\0\x01\242\312>\204U\0\313\314\x03\"\210\315\x02!\262\x02\x01@\316=\x16^[\x01\242\317=\204l\0\313\314\x03\"\210\320\x02!\262\x02\x01\242\321=\203\201\0\x01\211\x1e\x1cA@)\262\x02\322\x02!\262\x02\211\203\217\0\311\x02B\262\x02\3009\203\232\0\300\x02M\202\233\0\x01)\266\202.\f\207" [font-latex-warning byte-compile-initial-macro-environment byte-compile-verbose byte-optimize byte-compile-dynamic byte-compile-dynamic-docstrings copy-alist nil fboundp macro (closure lambda) error "Don't know how to compile %S" byte-compile--refiy-function closure lambda byte-compile-preprocess function byte-compile-lambda byte-compile-warnings byte-compile-free-assignments byte-compile-free-references byte-compile-const-variables byte-compile-bound-variables byte-compile-function-environment byte-compile--outbuffer byte-compile-macro-environment lexical-binding x] 13 "\n\n(fn)"]()
  byte-compile(font-latex-warning)
  byte-code("\305\306\307\"\210\b\310=\203\x0e\0\307 \210\311\312K!\203=\0	\313\x1a\211^[\203<\0\v@\211\x12@\x1c\314\315\316\fP!!\210\314\315\316\f\317Q!!\210)\vA\211\x13\204\x1d\0*\320\321!\207" [major-mode font-latex-built-in-keyword-classes elt --dolist-tail-- name add-hook latex-mode-hook font-latex-setup latex-mode byte-code-function-p font-latex-make-built-in-keywords nil byte-compile intern "font-latex-" "-make" provide font-latex] 6)
  font-latex-setup()
  VirTeX-common-initialization()
  LaTeX-common-initialization()
  latex-mode()
  set-auto-mode-0(latex-mode nil)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer ex.ltx> "~/tmp/ex.ltx" nil nil "~/tmp/ex.ltx" (12328882 2051))
  find-file-noselect("/home/vladimir/tmp/ex.ltx" nil nil nil)
  find-file("/home/vladimir/tmp/ex.ltx")
  command-line-1(("--eval" "(setq load-path (cons \"/usr/share/emacs/site-lisp\" load-path) debug-on-error t byte-compile-debug t)" "-l" "/usr/share/emacs/site-lisp/auctex.el" "ex.ltx"))
  command-line()
  normal-top-level()

[-- Attachment #3: ex.ltx --]
[-- Type: text/x-tex, Size: 258 bytes --]

% !TEX program  = pdflatex
% !TEX encoding = UTF-8
\documentclass{article}

\begin{document}

\end{document}

%%% Local Variables:
%%% mode: latex
%%% fill-column: 96
%%% TeX-master: t
%%% TeX-PDF-mode: t
%%% End:
%%% vim: syn=tex ft=tex tw=96 ts=2 sw=2 et: