Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE	(revision 257163)
+++ gcc/go/gofrontend/MERGE	(working copy)
@@ -1,4 +1,4 @@
-6517e6731aeb4512d12c341c7111959a44547ba0
+bbce8a9af264b25c5f70bafb2ce95d4fed158d68
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
Index: libgo/go/internal/syscall/unix/getrandom_linux_shx.go
===================================================================
--- libgo/go/internal/syscall/unix/getrandom_linux_shx.go	(nonexistent)
+++ libgo/go/internal/syscall/unix/getrandom_linux_shx.go	(working copy)
@@ -0,0 +1,11 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build sh shbe
+
+package unix
+
+// Linux getrandom system call number.
+// See GetRandom in getrandom_linux.go.
+const randomTrap uintptr = 373