diff --git a/misc/cgo/testshared/src/dep/asm.s b/misc/cgo/testshared/src/dep/asm.s
new file mode 100644
index 0000000..b332fe2
--- /dev/null
+++ b/misc/cgo/testshared/src/dep/asm.s
@@ -0,0 +1,10 @@
+// Copyright 2014 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 !gccgo
+
+#include "textflag.h"
+
+TEXT ·ImplementedInAsm(SB),NOSPLIT,$0-0
+       RET
diff --git a/misc/cgo/testshared/src/dep/gccgo.go b/misc/cgo/testshared/src/dep/gccgo.go
new file mode 100644
index 0000000..552ec30
--- /dev/null
+++ b/misc/cgo/testshared/src/dep/gccgo.go
@@ -0,0 +1,5 @@
+//+build gccgo
+
+package dep
+
+func ImplementedInAsm() {}
diff --git a/misc/cgo/testshared/src/dep/stubs.go b/misc/cgo/testshared/src/dep/stubs.go
new file mode 100644
index 0000000..036296a
--- /dev/null
+++ b/misc/cgo/testshared/src/dep/stubs.go
@@ -0,0 +1,5 @@
+//+build !gccgo
+
+package dep
+
+func ImplementedInAsm()
diff --git a/misc/cgo/testshared/src/exe/exe.go b/misc/cgo/testshared/src/exe/exe.go
index 34fd144..f644776 100644
--- a/misc/cgo/testshared/src/exe/exe.go
+++ b/misc/cgo/testshared/src/exe/exe.go
@@ -1,7 +1,12 @@
 package main

-import "dep"
+import (
+       "dep"
+       "runtime"
+)

 func main() {
+       defer dep.ImplementedInAsm()
+       runtime.GC()
        dep.V = dep.F() + 1
 }