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/issue19275.go | 72 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 test/fixedbugs/issue19275.go (limited to 'test/fixedbugs/issue19275.go') diff --git a/test/fixedbugs/issue19275.go b/test/fixedbugs/issue19275.go new file mode 100644 index 0000000..f7e64fc --- /dev/null +++ b/test/fixedbugs/issue19275.go @@ -0,0 +1,72 @@ +// 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. + +package main + +import ( + "fmt" +) + +type PI struct { + Enabled bool +} + +type SI struct { + M map[string]*PI +} + +//go:noinline +func (s *SI) test(name string) (*int, error) { + n := new(int) + *n = 99 + if err := addUpdate(n, s.M[name].Enabled, "enabled"); err != nil { // this was miscompiled + return nil, fmt.Errorf(" error adding update for enable flag %t : %s", + s.M[name].Enabled, err) + } + return n, nil +} + +//go:noinline +func addUpdate(n *int, in interface{}, s ...string) error { + if *n != 99 { + println("FAIL, *n should be 99, not", *n) + } + return nil +} + +func main1() { + s := &SI{make(map[string]*PI)} + s.M["dog"] = &PI{} + s.test("dog") +} + +//go:noinline +func g(b *byte, i interface{}) error { + if *b != 17 { + println("FAIL, *b should be 17, not", *b) + } + return nil +} + +//go:noinline +func f(x *byte, m map[string]*bool) { + if err := g(x, *m["hello"]); err != nil { // this was miscompiled + return + } +} + +func main2() { + m := make(map[string]*bool) + x := false + m["hello"] = &x + b := byte(17) + f(&b, m) +} + +func main() { + main2() + main1() +} -- cgit v1.2.3