* gcc.dg/weak/weak.exp: Simplify.
	* gcc.dg/weak/typeof-2.c: Use dg-require-weak.
	* gcc.dg/weak/weak-1.c: Likewise.
	* gcc.dg/weak/weak-2.c: Likewise.
	* gcc.dg/weak/weak-3.c: Likewise.
	* gcc.dg/weak/weak-4.c: Likewise.
	* gcc.dg/weak/weak-5.c: Likewise.
	* gcc.dg/weak/weak-6.c: Likewise.
	* gcc.dg/weak/weak-7.c: Likewise.
	* gcc.dg/weak/weak-8.c: Likewise.
	* gcc.dg/weak/weak-9.c: Likewise.

From-SVN: r67571