arm64 fixup for statx support on older kernels

Turns out (older) arm64 linux kernels don't have statx, but also not
stat64 and no stat syscalls.  It uses fstatat instead. The new statx
patch also added a check for stat.  So That needs a special case for
arm64.

Follow up for bug #400593.

diff --git a/coregrind/m_libcfile.c b/coregrind/m_libcfile.c
index 5c356ade6cdfc77813eeb412d6dff06d12d16faa..c7fca4e9ac9e554aaa1dabadd16fe21dfb2363d1 100644 (file)
--- a/coregrind/m_libcfile.c
+++ b/coregrind/m_libcfile.c
@@ -393,7 +393,7 @@ SysRes VG_(stat) ( const HChar* file_name, struct vg_stat* vgbuf )
      }
    }
 #  endif /* defined(__NR_stat64) */
-#  if defined(__NR_stat)
+#  if defined(__NR_stat) || defined(VGP_arm64_linux)
    /* This is the fallback ("vanilla version"). */
    { struct vki_stat buf;
 #    if defined(VGP_arm64_linux)