Initial commit: Go 1.23 release state

test/codegen/shortcircuit.go

@@ -0,0 +1,17 @@
+// asmcheck
+
+// 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 codegen
+
+func efaceExtract(e interface{}) int {
+	// This should be compiled with only
+	// a single conditional jump.
+	// amd64:-"JMP"
+	if x, ok := e.(int); ok {
+		return x
+	}
+	return 0
+}