From ccd992355df7192993c666236047820244914598 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:19:13 +0200 Subject: Adding upstream version 1.21.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue62203.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/fixedbugs/issue62203.go (limited to 'test/fixedbugs/issue62203.go') diff --git a/test/fixedbugs/issue62203.go b/test/fixedbugs/issue62203.go new file mode 100644 index 0000000..8c93d78 --- /dev/null +++ b/test/fixedbugs/issue62203.go @@ -0,0 +1,32 @@ +// run + +// Copyright 2023 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 + +import ( + "fmt" + "maps" +) + +func main() { + m := map[string]struct{}{} + + // Fill m up to the max for 4 buckets = 48 entries. + for i := 0; i < 48; i++ { + m[fmt.Sprintf("%d", i)] = struct{}{} + } + + // Add a 49th entry, to start a grow to 8 buckets. + m["foo"] = struct{}{} + + // Remove that 49th entry. m is still growing to 8 buckets, + // but a clone of m will only have 4 buckets because it + // only needs to fit 48 entries. + delete(m, "foo") + + // Clone an 8-bucket map to a 4-bucket map. + _ = maps.Clone(m) +} -- cgit v1.2.3