Add encoding of reference types like gcc does for objc methods and

blocks. Fixes PR6468.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101196 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 21 insertions, 0 deletions

diff --git a/test/CodeGenCXX/reference-in-blocks.cpp b/test/CodeGenCXX/reference-in-blocks.cpp
new file mode 100644
index 0000000000..ef09e4305b
--- /dev/null
+++ b/test/CodeGenCXX/reference-in-blocks.cpp
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -fblocks %s -emit-llvm 
+
+extern "C" int printf(const char*, ...);
+
+template<typename T> class range {
+public:
+T _i;
+        range(T i) {_i = i;};
+        T get() {return _i;};
+};
+
+int main() {
+
+        // works
+        void (^bl)(range<int> ) = ^(range<int> i){printf("Hello Blocks %d\n", i.get()); };
+
+        //crashes in godegen?
+        void (^bl2)(range<int>& ) = ^(range<int>& i){printf("Hello Blocks %d\n", i.get()); };
+        return 0;
+}
+