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-rw-r--r--test/abi/zombie_struct_select.go36
1 files changed, 36 insertions, 0 deletions
diff --git a/test/abi/zombie_struct_select.go b/test/abi/zombie_struct_select.go
new file mode 100644
index 0000000..d0cab98
--- /dev/null
+++ b/test/abi/zombie_struct_select.go
@@ -0,0 +1,36 @@
+// run
+
+// Copyright 2021 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.
+
+package main
+
+type patchlist struct {
+ head, tail uint32
+}
+
+type frag struct {
+ i uint32
+ out patchlist
+}
+
+//go:noinline
+//go:registerparams
+func patch(l patchlist, i uint32) {
+}
+
+//go:noinline
+//go:registerparams
+func badbad(f1, f2 frag) frag {
+ // concat of failure is failure
+ if f1.i == 0 || f2.i == 0 { // internal compiler error: 'badbad': incompatible OpArgIntReg [4]: v42 and v26
+ return frag{}
+ }
+ patch(f1.out, f2.i)
+ return frag{f1.i, f2.out}
+}
+
+func main() {
+ badbad(frag{i: 2}, frag{i: 3})
+}