* extend.texi (-fthis-is-variable): Undocument.
	* flags.h (warn_template_debugging): Remove declaration.
	* gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
	-Wenum-clash, -Wtemplate-debugging): Undocument.
	* cp/tree.h (HAVE_TEMPLATES): Remove definition.
	* cp/lang-options.h (-fthis-is-variable): Remove documentation.

From-SVN: r33071