PR c/64918
	* c.opt (Woverride-init-side-effects): New option.

	* c-typeck.c (add_pending_init): Use OPT_Woverride_init_side_effects.
	(output_init_element): Likewise.

	* doc/invoke.texi: Document -Woverride-init-side-effects.

	* gcc.dg/Woverride-init-side-effects-1.c: New test.
	* gcc.dg/Woverride-init-side-effects-2.c: New test.

From-SVN: r222894