From d5e01c044f8674ab6cc62ae6f886163eee572884 Mon Sep 17 00:00:00 2001 From: Josh Bleecher Snyder Date: Mon, 15 May 2017 10:41:25 -0700 Subject: [PATCH] test: add test of deferred delete Updates #19710 Change-Id: I37d19a4a02b9010cb5f9062b3d141d5d65e12e01 Reviewed-on: https://go-review.googlesource.com/43497 Run-TryBot: Josh Bleecher Snyder Reviewed-by: Brad Fitzpatrick --- test/fixedbugs/issue19710.go | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/fixedbugs/issue19710.go diff --git a/test/fixedbugs/issue19710.go b/test/fixedbugs/issue19710.go new file mode 100644 index 0000000000..c42ea7c2ce --- /dev/null +++ b/test/fixedbugs/issue19710.go @@ -0,0 +1,25 @@ +// run + +// Copyright 2017 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. + +// Issue 19710: mishandled defer delete(...) + +package main + +func main() { + if n := len(f()); n != 0 { + println("got", n, "want 0") + panic("bad defer delete") + } +} + +func f() map[int]bool { + m := map[int]bool{} + for i := 0; i < 3; i++ { + m[i] = true + defer delete(m, i) + } + return m +} -- 2.50.0