1 files changed, 57 insertions, 0 deletions
diff --git a/clang/test/Rewriter/rewrite-byref-vars.mm b/clang/test/Rewriter/rewrite-byref-vars.mm
new file mode 100644
index 0000000..14a182a
--- /dev/null
+++ b/clang/test/Rewriter/rewrite-byref-vars.mm
@@ -0,0 +1,57 @@
+// RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fblocks -fms-extensions -rewrite-objc -fobjc-fragile-abi %s -o %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// radar 7540194
+
+extern "C" __declspec(dllexport) void BreakTheRewriter(int i) {
+        __block int aBlockVariable = 0;
+        void (^aBlock)(void) = ^ {
+                aBlockVariable = 42;
+        };
+        aBlockVariable++;
+	if (i) {
+	  __block int bbBlockVariable = 0;
+	  void (^aBlock)(void) = ^ {
+                bbBlockVariable = 42;
+          };
+        }
+}
+
+__declspec(dllexport) extern "C" __declspec(dllexport) void XXXXBreakTheRewriter(void) {
+
+        __block int aBlockVariable = 0;
+        void (^aBlock)(void) = ^ {
+                aBlockVariable = 42;
+        };
+        aBlockVariable++;
+        void (^bBlocks)(void) = ^ {
+                aBlockVariable = 43;
+        };
+        void (^c)(void) = ^ {
+                aBlockVariable = 44;
+        };
+
+}
+
+@interface I
+{
+   id list;
+}
+- (void) Meth;
+// radar 7589385 use before definition
+- (void) allObjects;
+@end
+
+@implementation I
+// radar 7589385 use before definition
+- (void) allObjects {
+    __attribute__((__blocks__(byref))) id *listp;
+
+    ^(void) {
+      *listp++ = 0;
+    };
+}
+- (void) Meth { __attribute__((__blocks__(byref))) void ** listp = (void **)list; }
+@end
+
+// $CLANG -cc1 -fms-extensions -rewrite-objc -fobjc-fragile-abi -x objective-c++ -fblocks bug.mm
+// g++ -c -D"__declspec(X)=" bug.cpp