Initial commit: Go 1.23 release state

test/retjmp.dir/a.s

@@ -0,0 +1,16 @@
+// Copyright 2018 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.
+
+TEXT	·f(SB), 4, $8-0
+	CALL	·f1(SB)
+	RET	·f2(SB)
+	CALL	·unreachable(SB)
+
+TEXT	·leaf(SB), 4, $0-0
+	RET	·f3(SB)
+	JMP	·unreachable(SB)
+
+TEXT	·leaf2(SB), 4, $32-0 // nonzero frame size
+	RET	·f4(SB)
+	JMP	·unreachable(SB)

test/retjmp.dir/main.go

@@ -0,0 +1,38 @@
+// Copyright 2018 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
+
+func f()
+func leaf()
+func leaf2()
+
+var f1called, f2called, f3called, f4called bool
+
+func main() {
+	f()
+	if !f1called {
+		panic("f1 not called")
+	}
+	if !f2called {
+		panic("f2 not called")
+	}
+	leaf()
+	if !f3called {
+		panic("f3 not called")
+	}
+	leaf2()
+	if !f4called {
+		panic("f4 not called")
+	}
+}
+
+func f1() { f1called = true }
+func f2() { f2called = true }
+func f3() { f3called = true }
+func f4() { f4called = true }
+
+func unreachable() {
+	panic("unreachable function called")
+}