Adding upstream version 1.21.8.upstream/1.21.8

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

1 files changed, 41 insertions, 0 deletions

diff --git a/test/fixedbugs/issue17918.go b/test/fixedbugs/issue17918.go
new file mode 100644
index 0000000..88ede6f
--- /dev/null
+++ b/test/fixedbugs/issue17918.go
@@ -0,0 +1,41 @@
+// compile
+
+// Copyright 2016 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.
+
+// Issue 17918: slice out-of-bounds in ssa/cse
+
+package dead
+
+import (
+	"fmt"
+	"time"
+)
+
+var (
+	units = []struct {
+		divisor time.Duration
+		unit    rune
+	}{
+		{1000000, 's'},
+		{60, 'm'},
+		{60, 'h'},
+		{24, 'd'},
+		{7, 'w'},
+	}
+)
+
+func foobar(d time.Duration) string {
+	d /= time.Microsecond
+	unit := 'u'
+
+	for _, f := range units {
+		if d%f.divisor != 0 {
+			break
+		}
+		d /= f.divisor
+		unit = f.unit
+	}
+	return fmt.Sprintf("%d%c", d, unit)
+}