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-rw-r--r--test/fixedbugs/issue15902.go27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/fixedbugs/issue15902.go b/test/fixedbugs/issue15902.go
new file mode 100644
index 0000000..9511a22
--- /dev/null
+++ b/test/fixedbugs/issue15902.go
@@ -0,0 +1,27 @@
+// run
+
+// 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.
+
+// This test makes sure we don't use 4-byte unaligned writes
+// to zero memory on architectures that don't support them.
+
+package main
+
+type T struct {
+ a byte
+ b [10]byte
+}
+
+//go:noinline
+func f(t *T) {
+ // t will be aligned, so &t.b won't be.
+ t.b = [10]byte{}
+}
+
+var t T
+
+func main() {
+ f(&t)
+}