bessel_6.f90: XFAIL on spu-*-*.

bessel_6.f90: XFAIL on spu-*-*.

	* gfortran.dg/bessel_6.f90: XFAIL on spu-*-*.
	* gfortran.dg/bessel_7.f90: Likewise.
	* gfortran.dg/erf_2.F90: Likewise.  Always run with -O0.

	* gfortran.dg/complex_intrinsics_5.f90: Increase "epsilon".
	* gfortran.dg/sum_init_expr.f03: Likewise.

	* gfortran.dg/realloc_on_assign_2.f03: Skip on spu-*-*.

	* gfortran.dg/lto/20091016-1_0.f90: Replace -shared with
	-r -nostdlib.

	* gfortran.dg/vect/fast-math-vect-8.f90: Check for vectorized
	loop only on "vect_intfloat_cvt" targets.

From-SVN: r169393