[dev.go2go] go/go2go: handle embedded pointers to instantiated types

Change-Id: I47d23dd4a44c644e9ec2f1abbc3cd8cec4a35d04
Reviewed-on: https://go-review.googlesource.com/c/go/+/241125
Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/go/go2go/rewrite.go

@@ -798,6 +798,9 @@ func (t *translator) translateSelectorExpr(pe *ast.Expr) {
 		if typ == nil {
 			typ = f.Type()
 		}
+		if pt := typ.Pointer(); pt != nil {
+			typ = pt.Elem()
+		}
 		named, ok := typ.(*types.Named)
 		if !ok || len(named.TArgs()) == 0 {
 			return

test/gen/g014.go2

@@ -24,6 +24,10 @@ type S2 struct {
 	V string
 }
 
+type S3 struct {
+	*T(int)
+}
+
 func main() {
 	var s1 S1
 	if s1.T.V != 0 {
@@ -33,4 +37,8 @@ func main() {
 	if s2.Tint.V != 0 || s2.Tbool.V {
 		panic(s2)
 	}
+	var s3 S3
+	if s3.T != nil {
+		panic(s3)
+	}
 }