go source for verification 2026-05-22

test/fixedbugs/issue32560.go

@@ -0,0 +1,51 @@
+// run
+
+// Copyright 2019 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.
+
+// Values smaller than 64-bits were mistakenly always proven to be
+// non-negative.
+//
+// The tests here are marked go:noinline to ensure they're
+// independently optimized by SSA.
+
+package main
+
+var x int32 = -1
+
+//go:noinline
+func a() {
+	if x != -1 {
+		panic(1)
+	}
+	if x > 0 || x != -1 {
+		panic(2)
+	}
+}
+
+//go:noinline
+func b() {
+	if x != -1 {
+		panic(3)
+	}
+	if x > 0 {
+		panic(4)
+	}
+}
+
+//go:noinline
+func c() {
+	if x > 0 || x != -1 {
+		panic(5)
+	}
+	if x > 0 || x != -1 {
+		panic(6)
+	}
+}
+
+func main() {
+	a()
+	b()
+	c()
+}