Import compiler-rt r117047.vendor/compiler-rt/compiler-rt-r117047

1 files changed, 41 insertions, 0 deletions

diff --git a/BlocksRuntime/tests/byrefcopy.c b/BlocksRuntime/tests/byrefcopy.c
new file mode 100644
index 000000000000..513b63c2725d
--- /dev/null
+++ b/BlocksRuntime/tests/byrefcopy.c
@@ -0,0 +1,41 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+//
+//  byrefcopy.m
+//  testObjects
+//
+//  Created by Blaine Garst on 5/13/08.
+//
+
+#include <stdio.h>
+#include <Block.h>
+#include <Block_private.h>
+
+// CONFIG
+
+void callVoidVoid(void (^closure)(void)) {
+    closure();
+}
+
+int main(int argc, char *argv[]) {
+    int __block i = 10;
+    
+    void (^block)(void) = ^{ ++i; };
+    //printf("original (old style) is  %s\n", _Block_dump_old(block));
+    //printf("original (new style) is %s\n", _Block_dump(block));
+    void (^blockcopy)(void) = Block_copy(block);
+    //printf("copy is %s\n", _Block_dump(blockcopy));
+    // use a copy & see that it updates i
+    callVoidVoid(block);
+    
+    if (i != 11) {
+        printf("*** %s didn't update i\n", argv[0]);
+        return 1;
+    }
+    printf("%s: success\n", argv[0]);
+    return 0;
+}