go source for verification 2026-05-22

test/fixedbugs/issue77635b.go

@@ -0,0 +1,62 @@
+// 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 77635: test building values of zero-sized types.
+
+package p
+
+type T1 [2][0]int
+type T2 [0][2]int
+type T3 struct {
+	t T1
+	x *byte
+}
+type T4 struct {
+	t T2
+	x *byte
+}
+
+func f1(t T1) any {
+	return t
+}
+func f2(t T2) any {
+	return t
+}
+func f3(t T3) any {
+	return t
+}
+func f4(t T4) any {
+	return t
+}
+func f5(t T1) any {
+	return T3{t:t}
+}
+func f6(t T2) any {
+	return T4{t:t}
+}
+func f7(t T1) {
+	use(T3{t:t})
+}
+func f8(t T2) {
+	use(T4{t:t})
+}
+
+func g1(t T3, i int) {
+	t.t[i][i] = 1
+}
+func g2(t T4, i int) {
+	t.t[i][i] = 1
+}
+func g3(t *T3, i int) {
+	t.t[i][i] = 1
+}
+func g4(t *T4, i int) {
+	t.t[i][i] = 1
+}
+
+//go:noinline
+func use(x any) {
+}