Add simple semantic test for C++11 [expr.prim.lambda]p16, which covers recursive capture. This is far more interesting for IRgen.

llvm-svn: 150283
diff --git a/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p16.cpp b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p16.cpp
new file mode 100644
index 0000000..58fa766
--- /dev/null
+++ b/clang/test/CXX/expr/expr.prim/expr.prim.lambda/p16.cpp
@@ -0,0 +1,16 @@
+// RUN: %clang_cc1 -std=c++11 %s -Wunused -verify
+
+
+struct X {
+  X(const X&) = delete; // expected-note{{explicitly marked deleted}}
+  X(X&);
+};
+
+void test_capture(X x) {
+  [x] { }(); // okay: non-const copy ctor
+
+  [x] {
+    [x] { // expected-error{{call to deleted constructor of 'const X'}}
+    }();
+  }();
+}