Initial commit: Go 1.23 release state

test/fixedbugs/issue39472.go

@@ -0,0 +1,12 @@
+// compile -N
+
+// 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
+
+func f(x float64) bool {
+	x += 1
+	return (x != 0) == (x != 0)
+}