First commit.

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/exec/ref6.cpp b/tests/exec/ref6.cpp
new file mode 100644
index 0000000..3737786
--- /dev/null
+++ b/tests/exec/ref6.cpp
@@ -0,0 +1,20 @@
+#include <iostream>
+
+int &f(int b, int &x, int &y) {
+  std::cout << "x = " << x << "\n";
+  std::cout << "y = " << y << "\n";
+  if (b) return x; else return y;
+}
+
+int main() {
+  int x = 42;
+  int y = 43;
+  int &r = f(1, x, y);
+  // now r is an alias for x
+  r = 12;
+  std::cout << "x = " << x << "\n";
+  std::cout << "y = " << y << "\n";
+  f(0,x,y) = 13;
+  std::cout << "x = " << x << "\n";
+  std::cout << "y = " << y << "\n";
+}