math/big: fix s390x test build tags

The tests failed to compile when using the math_big_pure_go tag on
s390x.

Change-Id: I2a09f53ff6562ab9bc9b886cffc0f6205bbfcfbb
Reviewed-on: https://go-review.googlesource.com/36956
Run-TryBot: Michael Munday <munday@ca.ibm.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

diff --git a/src/math/big/arith_s390x_test.go b/src/math/big/arith_s390x_test.go
index 31a777e5f83ea8a06ab1806a9d76b1d07582713e..eaf8f232e6fb19be581cc08f9c1ce569c6921fcd 100644 (file)
--- a/src/math/big/arith_s390x_test.go
+++ b/src/math/big/arith_s390x_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build s390x !math_big_pure_go
+// +build s390x,!math_big_pure_go
 
 package big