static_assert8.C: Fix for -std=c++1z.

static_assert8.C: Fix for -std=c++1z.

	* g++.dg/cpp0x/static_assert8.C: Fix for -std=c++1z.
	* g++.dg/cpp0x/auto3.C: Fix for -std=c++1z.
	* g++.dg/cpp1y/feat-cxx14.C: Only run with -std=c++14.
	* g++.dg/cpp1y/feat-cxx14-neg.C: Only run with -std=c++14.
	* g++.dg/cpp1z/feat-cxx1z.C: Fill in from feat-cxx14.C.
	* g++.dg/cpp1z/fold5.C: Don't run with -std=c++1z.
	* g++.dg/template/function1.C: Don't run with -std=c++1z.
	* g++.dg/template/call4.C: Fix access.
	* g++.dg/parse/crash31.C: Remove expected error text.

From-SVN: r231348