Initial commit: Go 1.23 release state

test/fixedbugs/issue50672.go

@@ -0,0 +1,105 @@
+// run
+
+// Copyright 2022 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 main
+
+var ok = false
+
+func f() func(int, int) int {
+	ok = true
+	return func(int, int) int { return 0 }
+}
+
+func g() (int, int) {
+	if !ok {
+		panic("FAIL")
+	}
+	return 0, 0
+}
+
+var _ = f()(g())
+
+func main() {
+	f1()
+	f2()
+	f3()
+	f4()
+}
+
+func f1() {
+	ok := false
+
+	f := func() func(int, int) {
+		ok = true
+		return func(int, int) {}
+	}
+	g := func() (int, int) {
+		if !ok {
+			panic("FAIL")
+		}
+		return 0, 0
+	}
+
+	f()(g())
+}
+
+type S struct{}
+
+func (S) f(int, int) {}
+
+func f2() {
+	ok := false
+
+	f := func() S {
+		ok = true
+		return S{}
+	}
+	g := func() (int, int) {
+		if !ok {
+			panic("FAIL")
+		}
+		return 0, 0
+	}
+
+	f().f(g())
+}
+
+func f3() {
+	ok := false
+
+	f := func() []func(int, int) {
+		ok = true
+		return []func(int, int){func(int, int) {}}
+	}
+	g := func() (int, int) {
+		if !ok {
+			panic("FAIL")
+		}
+		return 0, 0
+	}
+	f()[0](g())
+}
+
+type G[T any] struct{}
+
+func (G[T]) f(int, int) {}
+
+func f4() {
+	ok := false
+
+	f := func() G[int] {
+		ok = true
+		return G[int]{}
+	}
+	g := func() (int, int) {
+		if !ok {
+			panic("FAIL")
+		}
+		return 0, 0
+	}
+
+	f().f(g())
+}