go source for verification 2026-05-22

test/fixedbugs/issue77604.go

@@ -0,0 +1,20 @@
+// compile
+
+// Copyright 2026 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Issue 77604: compiler crash when source and destination
+// of copy are the same address.
+
+package p
+
+type T struct {
+	a [192]byte
+}
+
+func f(x *T) {
+	i := any(x)
+	y := i.(*T)
+	*y = *x
+}