* g++.dg/cpp/_Pragma1.C: Skip on alpha*-dec-osf*.
	* g++.dg/eh/spbp.C: Likewise.
	* g++.dg/ext/label13.C (C::C): xfail dg-bogus on alpha*-dec-osf*.
	* g++.dg/other/pragma-ep-1.C: Properly define p, remove
	superfluous casts.
	* gcc.dg/mtune.c: Add dg-bogus "mcpu".
	* objc.dg/dwarf-1.m: Skip on  alpha*-dec-osf*.
	* objc.dg/dwarf-2.m: Likewise.

From-SVN: r157905