Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/test/fixedbugs/bug444.go b/test/fixedbugs/bug444.go
new file mode 100644
index 0000000..29a60f5
--- /dev/null
+++ b/test/fixedbugs/bug444.go
@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2012 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.
+
+// The no-op conversion here used to confuse the compiler
+// into doing a load-effective-address of nil.
+// See issue 3670.
+
+package main
+
+import "reflect"
+
+type T interface {}
+
+var x bool
+
+func main() {
+        reflect.TypeOf(nil)
+        reflect.TypeOf(T(nil)) // used to miscompile
+        shouldPanic()
+}
+
+func f() byte {
+	return []byte(nil)[0] // used to miscompile
+}
+
+func shouldPanic() {
+	defer func() {
+		if recover() == nil {
+			panic("not panicking")
+		}
+	}()
+	f()
+}