Fix rewriting of byref variables in nested blocks.

Fixes radar 7692350.

llvm-svn: 97254

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/test/Rewriter/rewrite-byref-in-nested-blocks.mm b/clang/test/Rewriter/rewrite-byref-in-nested-blocks.mm
new file mode 100644
index 00000000000..c6279de5e1d
--- /dev/null
+++ b/clang/test/Rewriter/rewrite-byref-in-nested-blocks.mm
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -x objective-c++ -Wno-return-type -fblocks -fms-extensions -rewrite-objc %s -o %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// radar 7692350
+
+void f(void (^block)(void));
+
+@interface X {
+        int y;
+}
+- (void)foo;
+@end
+
+@implementation X
+- (void)foo {
+        __block int kerfluffle;
+        f(^{
+                f(^{
+                                y = 42;
+                            kerfluffle = 1;
+                });
+        });
+}
+@end