Adding upstream version 1.21.11.upstream/1.21.11upstream

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

1 files changed, 32 insertions, 0 deletions

diff --git a/test/fixedbugs/issue67160.go b/test/fixedbugs/issue67160.go
new file mode 100644
index 0000000..be45a61
--- /dev/null
+++ b/test/fixedbugs/issue67160.go
@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2024 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.
+
+// Test to make sure that we don't try using larger loads for
+// generated equality functions on architectures that can't do
+// unaligned loads.
+
+package main
+
+// T has a big field that wants to be compared with larger loads/stores.
+// T is "special" because of the unnamed field, so it needs a generated equality function.
+// T is an odd number of bytes in size and has alignment 1.
+type T struct {
+	src [8]byte
+	_   byte
+}
+
+// U contains 8 copies of T, each at a different %8 alignment.
+type U [8]T
+
+//go:noinline
+func f(x, y *U) bool {
+	return *x == *y
+}
+
+func main() {
+	var a U
+	_ = f(&a, &a)
+}