Initial commit: Go 1.23 release state

test/syntax/chan1.go

@@ -0,0 +1,17 @@
+// errorcheck
+
+// Copyright 2010 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 c chan int
+var v int
+
+func main() {
+	if c <- v { // ERROR "cannot use c <- v as value|send statement used as value"
+	}
+}
+
+var _ = c <- v // ERROR "unexpected <-|send statement used as value"