[Committed] xfail 3 testcases of FreeBSD

[Steve Kargl]

I have finally gotten around to committing

2018-06-09  Steven G. Kargl  <ka...@gcc.gnu.org>

   * gfortran.dg/ieee/ieee_4.f90: xfail on i?86-*-freebsd*
   * gfortran.dg/ieee/large_4.f90: Ditto.
   * gfortran.dg/round_4.f90: Ditto.

These tests have failed on i?86-*-FreeBSD since the tests
were committed.  The underlying cause is an OS feature, 
so simply xfail the tests.

-- 
Steve

Index: gcc/testsuite/gfortran.dg/ieee/ieee_4.f90
===================================================================
--- gcc/testsuite/gfortran.dg/ieee/ieee_4.f90   (revision 261171)
+++ gcc/testsuite/gfortran.dg/ieee/ieee_4.f90   (working copy)
@@ -1,4 +1,4 @@
-! { dg-do run { xfail i386-*-freebsd* } }
+! { dg-do run { xfail i?86-*-freebsd* } }
 
   use :: ieee_arithmetic
   implicit none
Index: gcc/testsuite/gfortran.dg/ieee/large_4.f90
===================================================================
--- gcc/testsuite/gfortran.dg/ieee/large_4.f90  (revision 261171)
+++ gcc/testsuite/gfortran.dg/ieee/large_4.f90  (working copy)
@@ -1,4 +1,4 @@
-! { dg-do run }
+! { dg-do run { xfail i?86-*-freebsd* } }
 
 program test_underflow_control
   use ieee_arithmetic
Index: gcc/testsuite/gfortran.dg/round_4.f90
===================================================================
--- gcc/testsuite/gfortran.dg/round_4.f90       (revision 261171)
+++ gcc/testsuite/gfortran.dg/round_4.f90       (working copy)
@@ -1,4 +1,4 @@
-! { dg-do run { xfail i386-*-freebsd* } }
+! { dg-do run { xfail i?86-*-freebsd* } }
 ! { dg-add-options ieee }
 ! { dg-skip-if "PR libfortran/58015" { hppa*-*-hpux* } }
 ! { dg-skip-if "IBM long double 31 bits of precision, test requires 38" { 
powerpc*-*-linux* } }