1 files changed, 21 insertions, 0 deletions
diff --git a/misc/cgo/test/callback_c_gc.c b/misc/cgo/test/callback_c_gc.c
new file mode 100644
index 000000000..8953b74a6
--- /dev/null
+++ b/misc/cgo/test/callback_c_gc.c
@@ -0,0 +1,21 @@
+// 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.
+
+// +build gc
+
+#include "_cgo_export.h"
+
+/* Test calling panic from C.  This is what SWIG does.  */
+
+extern void crosscall2(void (*fn)(void *, int), void *, int);
+extern void _cgo_panic(void *, int);
+
+void
+callPanic(void)
+{
+	struct { const char *p; } a;
+	a.p = "panic from C";
+	crosscall2(_cgo_panic, &a, sizeof a);
+	*(int*)1 = 1;
+}