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-rw-r--r--test/fixedbugs/issue38690.go65
1 files changed, 65 insertions, 0 deletions
diff --git a/test/fixedbugs/issue38690.go b/test/fixedbugs/issue38690.go
new file mode 100644
index 0000000..af8688d
--- /dev/null
+++ b/test/fixedbugs/issue38690.go
@@ -0,0 +1,65 @@
+// compile
+
+// Copyright 2020 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.
+
+// Make sure that literal value can be passed to struct
+// blank field of array/struct type, see issue #38690.
+
+package main
+
+type A1 = [0]int
+type A2 = [1]int
+
+type S1 struct{}
+
+type S2 struct {
+ x int
+}
+
+type S3 = struct{}
+
+type S4 = struct{ x int }
+
+type S struct {
+ x int
+ _ [0]int
+ _ [1]int
+ _ A1
+ _ A2
+ _ S1
+ _ S2
+ _ S3
+ _ S4
+ _ [1]S4
+}
+
+var s = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, [1]S4{}}
+
+func main() {
+ f1()
+ mustPanic(f2)
+ mustPanic(f3)
+}
+
+func f1() {
+ _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, [1]S4{}}
+}
+
+func f2() {
+ _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, func() S4 { panic("") }(), [1]S4{}}
+}
+
+func f3() {
+ _ = S{1, [0]int{}, [1]int{1}, A1{}, A2{1}, S1{}, S2{1}, S3{}, S4{1}, func() [1]S4 { panic("") }()}
+}
+
+func mustPanic(f func()) {
+ defer func() {
+ if recover() == nil {
+ panic("expected panic, got nil")
+ }
+ }()
+ f()
+}