2010-11-09 Laurynas Biveinis <laurynas.biveinis@gmail.com>

2010-11-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	PR/46268
	* doc/gty.texi (GTY Options): Clarify that variable_size produces
	allocators taking size in bytes, compare with length option.  Add
	size calculation example.
	(Invoking the garbage collector): Ensure that sentences are
	followed by two spaces.  Describe that pointer fields must be
	initialized at ggc_collect call.
	(Troubleshooting): New section.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166519 138bc75d-0d04-0410-961f-82ee72b054a4