1 files changed, 32 insertions, 0 deletions
diff --git a/compiler-rt/test/BlocksRuntime/byrefcopyinner.c b/compiler-rt/test/BlocksRuntime/byrefcopyinner.c
new file mode 100644
index 00000000000..07770933afe
--- /dev/null
+++ b/compiler-rt/test/BlocksRuntime/byrefcopyinner.c
@@ -0,0 +1,32 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+#include <Block.h>
+#include <stdio.h>
+
+// CONFIG rdar://6225809
+// fixed in 5623
+
+int main(int argc, char *argv[]) {
+    __block int a = 42;
+    int* ap = &a; // just to keep the address on the stack.
+
+    void (^b)(void) = ^{
+        //a;              // workaround, a should be implicitly imported
+        Block_copy(^{
+            a = 2;
+        });
+    };
+
+    Block_copy(b);
+
+    if(&a == ap) {
+        printf("**** __block heap storage should have been created at this point\n");
+        return 1;
+    }
+    printf("%s: Success\n", argv[0]);
+    return 0;
+}