Test for PR1942.

llvm-svn: 46498

SingleSource/Regression/C++/2008-01-29-ParamAliasesReturn.cpp

@@ -0,0 +1,38 @@
+#include <stdio.h>
+
+class foo
+{
+public:
+  int a;
+  int b;
+  int c;
+  int d;
+
+  foo(void) : a(0), b(0) {}
+
+  foo(int aa, int bb) : a(aa), b(bb) {}
+
+  const foo operator+(const foo& in) const;
+
+  foo operator+=(const foo& in);
+};
+
+const foo foo::operator+(const foo& in) const {
+  foo Out;
+  Out.a = a + in.a;
+  Out.b = b + in.b;
+  return Out;
+}
+
+foo foo::operator+=(const foo& in) {
+  *this = *this + in;
+  return *this;
+}
+
+int main() {
+  foo x(1, 2);
+  foo y(3, 4);
+  x += y;
+  printf("%d %d\n", x.a, x.b);
+  return 0;
+}