1 files changed, 51 insertions, 0 deletions
diff --git a/misc/cgo/test/issue7786.go b/misc/cgo/test/issue7786.go
new file mode 100644
index 000000000..b92763789
--- /dev/null
+++ b/misc/cgo/test/issue7786.go
@@ -0,0 +1,51 @@
+// Copyright 2013 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 7786. No runtime test, just make sure that typedef and struct/union/class are interchangeable at compile time.
+
+package cgotest
+
+// struct test7786;
+// typedef struct test7786 typedef_test7786;
+// void f7786(struct test7786 *ctx) {}
+// void g7786(typedef_test7786 *ctx) {}
+//
+// typedef struct body7786 typedef_body7786;
+// struct body7786 { int x; };
+// void b7786(struct body7786 *ctx) {}
+// void c7786(typedef_body7786 *ctx) {}
+//
+// typedef union union7786 typedef_union7786;
+// void u7786(union union7786 *ctx) {}
+// void v7786(typedef_union7786 *ctx) {}
+import "C"
+
+func f() {
+	var x1 *C.typedef_test7786
+	var x2 *C.struct_test7786
+	x1 = x2
+	x2 = x1
+	C.f7786(x1)
+	C.f7786(x2)
+	C.g7786(x1)
+	C.g7786(x2)
+
+	var b1 *C.typedef_body7786
+	var b2 *C.struct_body7786
+	b1 = b2
+	b2 = b1
+	C.b7786(b1)
+	C.b7786(b2)
+	C.c7786(b1)
+	C.c7786(b2)
+
+	var u1 *C.typedef_union7786
+	var u2 *C.union_union7786
+	u1 = u2
+	u2 = u1
+	C.u7786(u1)
+	C.u7786(u2)
+	C.v7786(u1)
+	C.v7786(u2)
+}