Update.

Update.

	* posix/regexec.c (re_copy_regs): Allocate start and end array in
	one block.
	(push_fail_stack): Add missing check for failed memory allocation.

	_IO_peekc_unlocked, _IO_ptc_unlocked, _IO_getwc_unlocked, and
	overflow for 0 as argument. Raise Invalid exception for negative args.