gcc/

	gcc/
	* acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
	HAVE_INITFINI_ARRAY to work around namespace pollution in
	certain versions of newlib system headers.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.

	libgcc/
	* config/ia64/crtbegin.S: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.
	* config/ia64/crtend.S: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@184503 138bc75d-0d04-0410-961f-82ee72b054a4