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diff --git a/clang/test/Rewriter/blockcast3.mm b/clang/test/Rewriter/blockcast3.mm
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+// RUN: %clang_cc1 -E %s -o %t.mm
+// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc -fobjc-fragile-abi %t.mm -o %t-rw.cpp
+// RUN: FileCheck -check-prefix LP --input-file=%t-rw.cpp %s
+// RUN: %clang_cc1 -x objective-c++ -fblocks -fms-extensions -rewrite-objc %t.mm -o %t-modern-rw.cpp
+// RUN: FileCheck -check-prefix LP --input-file=%t-modern-rw.cpp %s
+// radar 7607781
+
+typedef struct {
+ int a;
+ int b;
+} mystruct;
+
+void g(int (^block)(mystruct s)) {
+ mystruct x;
+ int v = block(x);
+}
+
+void f(const void **arg) {
+ __block const void **q = arg;
+ g(^(mystruct s){
+ *q++ = (void*)s.a;
+ return 314;
+ });
+}
+
+// CHECK-LP: (__Block_byref_q_0 *)&q