libgo: update to go1.15rc1

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/245157

1 files changed, 17 insertions, 0 deletions

diff --git a/libgo/go/encoding/xml/marshal_test.go b/libgo/go/encoding/xml/marshal_test.go
index 8473158bcd0..31309ef2ca8 100644
--- a/libgo/go/encoding/xml/marshal_test.go
+++ b/libgo/go/encoding/xml/marshal_test.go
@@ -309,6 +309,11 @@ type ChardataEmptyTest struct {
 	Contents *string `xml:",chardata"`
 }
 
+type PointerAnonFields struct {
+	*MyInt
+	*NamedType
+}
+
 type MyMarshalerTest struct {
 }
 
@@ -889,6 +894,18 @@ var marshalTests = []struct {
 			`</EmbedA>`,
 	},
 
+	// Anonymous struct pointer field which is nil
+	{
+		Value:     &EmbedB{},
+		ExpectXML: `<EmbedB><FieldB></FieldB></EmbedB>`,
+	},
+
+	// Other kinds of nil anonymous fields
+	{
+		Value:     &PointerAnonFields{},
+		ExpectXML: `<PointerAnonFields></PointerAnonFields>`,
+	},
+
 	// Test that name casing matters
 	{
 		Value:     &NameCasing{Xy: "mixed", XY: "upper", XyA: "mixedA", XYA: "upperA"},