diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 1849dc37c29..df9be07d95e 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-a21ebb50459ba9608d0325ad1c1d62e6c9290186
+907f6e31975443993c47fa45e09cf85d0709b7e6
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
diff --git a/libgo/go/math/big/arith_decl_s390x.go b/libgo/go/math/big/arith_decl_s390x.go
index 0f11481f6d2..3936d3faad4 100644
--- a/libgo/go/math/big/arith_decl_s390x.go
+++ b/libgo/go/math/big/arith_decl_s390x.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build ignore
 // +build !math_big_pure_go
 
 package big