rs6000: Do not xfail nint_2.f90 on Linux systems

It was XFAILed because there was a bug in glibc, but that bug was fixed
nine years ago.  Nowadays everyone uses a version of glibc with the bug
fixed, so we should no longer XFAIL the test.


gcc/testsuite/
	PR fortran/33271
	* gfortran.dg/nint_2.f90: Do not xfail powerpc*-*-linux*.

From-SVN: r246174

gcc/testsuite/ChangeLog

+2017-03-15  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR fortran/33271
+	* gfortran.dg/nint_2.f90: Do not xfail powerpc*-*-linux*.
+
 2017-03-15  Jiong Wang  <jiong.wang@arm.com>
 
 	PR testsuite/79356

gcc/testsuite/gfortran.dg/nint_2.f90

@@ -4,8 +4,7 @@
 ! http://gcc.gnu.org/ml/fortran/2005-04/msg00139.html
 !
 ! { dg-do run }
-! { dg-xfail-run-if "PR 33271, math library bug" { powerpc-ibm-aix* powerpc-*-linux* powerpc64-*-linux* *-*-mingw* } { "-O0" } { "" } }
-! Note that this doesn't fail on powerpc64le-*-linux*.
+! { dg-xfail-run-if "PR 33271, math library bug" { powerpc-ibm-aix* *-*-mingw* } { "-O0" } { "" } }
   real(kind=8) :: a
   integer(kind=8) :: i1, i2
   real :: b