go source for verification 2026-05-22

test/fixedbugs/issue39292.go

@@ -0,0 +1,38 @@
+// errorcheck -0 -m -l
+
+// Copyright 2020 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.
+
+package p
+
+type t [20000]*int
+
+func (t) f() {
+}
+
+func x() {
+	x := t{}.f // ERROR "t{}.f escapes to heap"
+	x()
+}
+
+func y() {
+	var i int       // ERROR "moved to heap: i"
+	y := (&t{&i}).f // ERROR "\(&t{...}\).f escapes to heap" "&t{...} escapes to heap"
+	y()
+}
+
+func z() {
+	var i int    // ERROR "moved to heap: i"
+	z := t{&i}.f // ERROR "t{...}.f escapes to heap"
+	z()
+}
+
+// Should match cmd/compile/internal/ir/cfg.go:MaxStackVarSize.
+const maxStack = 128 * 1024
+
+func w(i int) byte {
+	var x [maxStack]byte
+	var y [maxStack + 1]byte // ERROR "moved to heap: y"
+	return x[i] + y[i]
+}