Patch to implement new-operators with default args.
Fixes pr5547.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/new-with-default-arg.cpp b/test/CodeGenCXX/new-with-default-arg.cpp
new file mode 100644
index 0000000..b73b7f0
--- /dev/null
+++ b/test/CodeGenCXX/new-with-default-arg.cpp
@@ -0,0 +1,33 @@
+// RUN: clang-cc -emit-llvm -o - %s
+// pr5547
+
+struct A {
+  void* operator new(__typeof(sizeof(int)));
+  A();
+};
+
+A* x() {
+  return new A;
+}
+
+struct B {
+  void* operator new(__typeof(sizeof(int)), int = 1, int = 4);
+  B(float);
+};
+
+B* y() {
+  new (3,4) B(1);
+  return new(1) B(2);
+}
+
+struct C {
+  void* operator new(__typeof(sizeof(int)), int, int = 4);
+  C();
+};
+
+C* z() {
+  new (3,4) C;
+  return new(1) C;
+}
+
+