1 files changed, 72 insertions, 0 deletions
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()
+}