new tests for things we'll have to fix eventually

src/test/compile-fail/regions-nested-fns.rs

@@ -0,0 +1,23 @@
+// xfail-test
+
+fn ignore<T>(t: T) {}
+
+fn nested(x: &x.int) {
+    let y = 3;
+    let mut ay = &y;
+
+    ignore(fn&(z: &z.int) {
+        ay = x;
+        ay = &y;
+        ay = z; //! ERROR foo
+    });
+
+    ignore(fn&(z: &z.int) -> &z.int {
+        if false { ret x; }  //! ERROR bar
+        if false { ret &y; } //! ERROR bar
+        if false { ret ay; } //! ERROR bar
+        ret z;
+    });
+}
+
+fn main() {}