From ed749f75ddc3c29ae1c8f4a0d0d4aefc596c4a2f Mon Sep 17 00:00:00 2001
From: Thomas Pelletier <thomas@pelletier.codes>
Date: Tue, 19 Sep 2023 13:46:29 -0400
Subject: [PATCH] Fix inlined arrays

Arrays of size 1 with inlined type are inlined in interfaces. This test would
panic before.

https://cs.opensource.google/go/go/+/master:src/cmd/compile/internal/types/type.go;l=1824-1826;drc=cc904eb0e87a00430bec8d1918f649638553e5de
---
 internal/serde/unsafe.go | 2 ++
 serde/serde_test.go      | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/internal/serde/unsafe.go b/internal/serde/unsafe.go
index 3ef65b8..ecdc18a 100644
--- a/internal/serde/unsafe.go
+++ b/internal/serde/unsafe.go
@@ -30,6 +30,8 @@ func inlined(t reflect.Type) bool {
 		return true
 	case reflect.Struct:
 		return t.NumField() == 1 && inlined(t.Field(0).Type)
+	case reflect.Array:
+		return t.Len() == 1 && inlined(t.Elem())
 	default:
 		return false
 	}
diff --git a/serde/serde_test.go b/serde/serde_test.go
index c83da07..cf58894 100644
--- a/serde/serde_test.go
+++ b/serde/serde_test.go
@@ -61,6 +61,8 @@ func TestReflect(t *testing.T) {
 
 			func() {},
 			func(int) int { return 42 },
+
+			[1]*int{intp},
 		}
 
 		for _, x := range cases {