diff --git a/cl/_testrt/callback/out.ll b/cl/_testrt/callback/out.ll
index b1d0eba5..ae9e2a94 100644
--- a/cl/_testrt/callback/out.ll
+++ b/cl/_testrt/callback/out.ll
@@ -55,7 +55,7 @@ _llgo_0:
 
 declare void @"github.com/goplus/llgo/internal/runtime.init"()
 
-define void @__llgo_stub.main.print(ptr %0, ptr %1) {
+define linkonce void @__llgo_stub.main.print(ptr %0, ptr %1) {
 _llgo_0:
   call void @main.print(ptr %1)
   ret void
diff --git a/cl/_testrt/intgen/out.ll b/cl/_testrt/intgen/out.ll
index 2264b5e5..d12316e5 100644
--- a/cl/_testrt/intgen/out.ll
+++ b/cl/_testrt/intgen/out.ll
@@ -163,7 +163,7 @@ declare void @"github.com/goplus/llgo/internal/runtime.init"()
 
 declare i32 @rand()
 
-define i32 @__llgo_stub.rand(ptr %0) {
+define linkonce i32 @__llgo_stub.rand(ptr %0) {
 _llgo_0:
   %1 = call i32 @rand()
   ret i32 %1
diff --git a/cl/cltest/cltest.go b/cl/cltest/cltest.go
index d44edca3..56914696 100644
--- a/cl/cltest/cltest.go
+++ b/cl/cltest/cltest.go
@@ -38,7 +38,7 @@ import (
 
 func init() {
 	cl.SetDebug(cl.DbgFlagAll)
-	llssa.Initialize(llssa.InitAll)
+	llssa.Initialize(llssa.InitAll | llssa.InitNative)
 	llssa.SetDebug(llssa.DbgFlagAll)
 }
 
diff --git a/ssa/package.go b/ssa/package.go
index e58cff70..6065e83a 100644
--- a/ssa/package.go
+++ b/ssa/package.go
@@ -21,8 +21,8 @@ import (
 	"go/types"
 	"log"
 
-	"github.com/goplus/llgo/internal/typeutil"
 	"github.com/goplus/llvm"
+	"golang.org/x/tools/go/types/typeutil"
 )
 
 const (
@@ -381,6 +381,7 @@ func (p Package) closureStub(b Builder, t *types.Struct, v Expr) Expr {
 		ctx := types.NewParam(token.NoPos, nil, ClosureCtx, types.Typ[types.UnsafePointer])
 		sig = FuncAddCtx(ctx, sig)
 		fn := p.NewFunc(ClosureStub+name, sig, InC)
+		fn.impl.SetLinkage(llvm.LinkOnceAnyLinkage)
 		args := make([]Expr, n)
 		for i := 0; i < n; i++ {
 			args[i] = fn.Param(i + 1)