Adding upstream version 1.16.10.upstream/1.16.10upstream

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

1 files changed, 23 insertions, 0 deletions

diff --git a/test/fixedbugs/issue32680.go b/test/fixedbugs/issue32680.go
new file mode 100644
index 0000000..27cba6b
--- /dev/null
+++ b/test/fixedbugs/issue32680.go
@@ -0,0 +1,23 @@
+// run -gcflags=-d=ssa/check/on
+
+// Copyright 2019 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.
+
+// As of 2019-06, bug affects/ed amd64 and s390x.
+
+package main
+
+var foo = []byte{105, 57, 172, 152}
+
+func main() {
+	for i := 0; i < len(foo); i += 4 {
+		// Requires inlining and non-constant i
+		// Note the bug/fix also apply to different widths, but was unable to reproduce for those.
+		println(readLittleEndian32_2(foo[i], foo[i+1], foo[i+2], foo[i+3]))
+	}
+}
+
+func readLittleEndian32_2(a, b, c, d byte) uint32 {
+	return uint32(a) | (uint32(b) << 8) | (uint32(c) << 16) | (uint32(d) << 24)
+}