From f6ad4dcef54c5ce997a4bad5a6d86de229015700 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:25:22 +0200 Subject: Adding upstream version 1.22.1. Signed-off-by: Daniel Baumann --- test/fixedbugs/issue37716.go | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 test/fixedbugs/issue37716.go (limited to 'test/fixedbugs/issue37716.go') diff --git a/test/fixedbugs/issue37716.go b/test/fixedbugs/issue37716.go new file mode 100644 index 0000000..42d66df --- /dev/null +++ b/test/fixedbugs/issue37716.go @@ -0,0 +1,32 @@ +// run + +// 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 main + +import "reflect" + +// complicated enough to require a compile-generated hash function +type K struct { + a, b int32 // these get merged by the compiler into a single field, something typehash doesn't do + c float64 +} + +func main() { + k := K{a: 1, b: 2, c: 3} + + // Make a reflect map. + m := reflect.MakeMap(reflect.MapOf(reflect.TypeOf(K{}), reflect.TypeOf(true))) + m.SetMapIndex(reflect.ValueOf(k), reflect.ValueOf(true)) + + // The binary must not contain the type map[K]bool anywhere, or reflect.MapOf + // will use that type instead of making a new one. So use an equivalent named type. + type M map[K]bool + var x M + reflect.ValueOf(&x).Elem().Set(m) + if !x[k] { + panic("key not found") + } +} -- cgit v1.2.3