* gcc.dg/ipa/inline-2.c: Fix implicit declarations.
	* gcc.dg/ipa/inline-4.c: Likewise.
	* gcc.dg/ipa/inline-5.c: Likewise.
	* gcc.dg/ipa/pr57539.c: Likewise.
	* gcc.dg/ipa/inline-6.c: Fix implicit declarations.  Fix
	defaulting to int.
	* gcc.dg/ipa/inlinehint-1.c: Likewise.
	* gcc.dg/ipa/inlinehint-3.c: Likewise.
	* gcc.dg/ipa/inlinehint-2.c: Fix defaulting to int.
	* gcc.dg/ipa/ipacost-1.c: Likewise.
	* gcc.dg/ipa/ipacost-2.c: Likewise.
	* gcc.dg/ipa/pure-const-1.c: Use -fgnu89-inline.  Fix defaulting
	to int.

From-SVN: r215920