[testsuite][arm] Remove xfail for vect-epilogues test

[Andre Vieira (lists)]

Hi,

We can now vectorize an epilogue for this loop for arm too, so removing 
xfail.

Is this OK for trunk? Wasn't entirely sure whether I could commit this 
under obvious.

gcc/testsuite/ChangeLog:
2019-12-11  Andre Vieira  <andre.simoesdiasvie...@arm.com>

        * gcc.dg/vect/vect-epilogues.c: Remove xfail for arm.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-epilogues.c b/gcc/testsuite/gcc.dg/vect/vect-epilogues.c
index 946666e918ff9d019f07c0d891a9148692f86c92..de95310a65eed78e1f75c4cd7581f9f7a86afd16 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-epilogues.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-epilogues.c
@@ -16,4 +16,4 @@ void pixel_avg( unsigned char *dst, int i_dst_stride,
      }
  }
 
-/* { dg-final { scan-tree-dump "LOOP EPILOGUE VECTORIZED" "vect" { xfail { arm*-*-* } } } } */
+/* { dg-final { scan-tree-dump "LOOP EPILOGUE VECTORIZED" "vect" } } */