invoke.texi (Invoking GCC): Add new section to menu.

invoke.texi (Invoking GCC): Add new section to menu.

2016-01-16  Sandra Loosemore <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi (Invoking GCC): Add new section to menu.
	(Option Summary): Update to reflect new section and moved options.
	(C++ Dialect Options): Move -fvtable-verify and related options.
	(Debugging Options): Move Sanitizer, Pointer Bounds Checker,
	and profiling-related options.
	(Optimization Options): Move profile generation options and
	-fstack-protector and related options.
	(Instrumentation Options): New section incorporating moved options.
	(Code Generation Options): Move -finstrument-functions and
	related options, -fstack-check, -fstack-limit*, and -fbounds-check.

From-SVN: r232475