PR go/79146
crypto/elliptic: explicitly ignore p256_s390x.go
The file only works if used in conjunction with assembly code not
(yet) written for gccgo.
Fixes GCC PR 79146.
Reviewed-on: https://go-review.googlesource.com/35477
From-SVN: r244679
-2b3d389f961b8461b3fdf42318a628f68b56f8b1
+a21ebb50459ba9608d0325ad1c1d62e6c9290186
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
+// +build ignore
// -build s390x
package elliptic