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-rw-r--r--test/fixedbugs/issue26153.go29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/fixedbugs/issue26153.go b/test/fixedbugs/issue26153.go
new file mode 100644
index 0000000..53f53cf
--- /dev/null
+++ b/test/fixedbugs/issue26153.go
@@ -0,0 +1,29 @@
+// run
+
+// Copyright 2018 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 26153. The write to ps was incorrectly
+// removed by the dead auto elimination pass.
+
+package main
+
+const hello = "hello world"
+
+func main() {
+ var s string
+ mangle(&s)
+ if s != hello {
+ panic("write incorrectly elided")
+ }
+}
+
+//go:noinline
+func mangle(ps *string) {
+ if ps == nil {
+ var s string
+ ps = &s
+ }
+ *ps = hello
+}