1 files changed, 42 insertions, 0 deletions
diff --git a/BlocksRuntime/tests/globalexpression.c b/BlocksRuntime/tests/globalexpression.c
new file mode 100644
index 000000000000..eeedd75e7078
--- /dev/null
+++ b/BlocksRuntime/tests/globalexpression.c
@@ -0,0 +1,42 @@
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// testfilerunner CONFIG
+
+#import <stdio.h>
+#import <Block.h>
+
+int global;
+
+void (^gblock)(int) = ^(int x){ global = x; };
+
+int main(int argc, char *argv[]) {
+    gblock(1);
+    if (global != 1) {
+        printf("%s: *** did not set global to 1\n", argv[0]);
+        return 1;
+    }
+    void (^gblockcopy)(int) = Block_copy(gblock);
+    if (gblockcopy != gblock) {
+        printf("global copy %p not a no-op %p\n", (void *)gblockcopy, (void *)gblock);
+        return 1;
+    }
+    Block_release(gblockcopy);
+    gblock(3);
+    if (global != 3) {
+        printf("%s: *** did not set global to 3\n", argv[0]);
+        return 1;
+    }
+    gblockcopy = Block_copy(gblock);
+    gblockcopy(5);
+    if (global != 5) {
+        printf("%s: *** did not set global to 5\n", argv[0]);
+        return 1;
+    }
+    printf("%s: Success!\n", argv[0]);
+    return 0;
+}
+