Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 21 insertions, 0 deletions

diff --git a/test/fixedbugs/issue48476.go b/test/fixedbugs/issue48476.go
new file mode 100644
index 0000000..6b77f7c
--- /dev/null
+++ b/test/fixedbugs/issue48476.go
@@ -0,0 +1,21 @@
+// run
+
+// Copyright 2021 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"
+
+//go:noinline
+func f(x uint64) uint64 {
+	s := "\x04"
+	c := s[0]
+	return x << c << 4
+}
+func main() {
+	if want, got := uint64(1<<8), f(1); want != got {
+		panic(fmt.Sprintf("want %x got %x", want, got))
+	}
+}