Initial commit: Go 1.23 release state

test/escape_goto.go

@@ -0,0 +1,44 @@
+// errorcheck -0 -m -l
+
+// 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.
+
+// Test escape analysis for goto statements.
+
+package escape
+
+var x bool
+
+func f1() {
+	var p *int
+loop:
+	if x {
+		goto loop
+	}
+	// BAD: We should be able to recognize that there
+	// aren't any more "goto loop" after here.
+	p = new(int) // ERROR "escapes to heap"
+	_ = p
+}
+
+func f2() {
+	var p *int
+	if x {
+	loop:
+		goto loop
+	} else {
+		p = new(int) // ERROR "does not escape"
+	}
+	_ = p
+}
+
+func f3() {
+	var p *int
+	if x {
+	loop:
+		goto loop
+	}
+	p = new(int) // ERROR "does not escape"
+	_ = p
+}