From 8b7379c11fa1d6abdf85698ca3c44793c607c158 Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Tue, 20 Jul 2021 14:49:41 +0800
Subject: [PATCH] NewFuncWith bugfix

---
 func.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/func.go b/func.go
index 594b7c03..c13e3264 100644
--- a/func.go
+++ b/func.go
@@ -110,7 +110,6 @@ func (p *Package) NewFuncWith(name string, sig *types.Signature) *Func {
 	}
 
 	fn := types.NewFunc(token.NoPos, p.Types, name, sig)
-	p.Types.Scope().Insert(fn)
 	if recv := sig.Recv(); recv != nil { // add method to this type
 		var t *types.Named
 		switch typ := recv.Type().(type) {
@@ -122,6 +121,8 @@ func (p *Package) NewFuncWith(name string, sig *types.Signature) *Func {
 			panic("TODO: invalid recv type")
 		}
 		t.AddMethod(fn)
+	} else {
+		p.Types.Scope().Insert(fn)
 	}
 
 	decl := &ast.FuncDecl{}