Add another test for blocks as expressions

src/test/run-pass/expr-block.rs

@@ -0,0 +1,31 @@
+// xfail-boot
+// -*- rust -*-
+
+// Tests for standalone blocks as expressions
+
+fn test_basic() {
+  let bool res = { true };
+  check (res);
+}
+
+fn test_rec() {
+  auto res = { rec(v1 = 10, v2 = 20) };
+  check (res.v2 == 20);
+}
+
+fn test_filled_with_stuff() {
+  auto res = {
+    auto a = 0;
+    while (a < 10) {
+      a += 1;
+    }
+    a
+  };
+  check (res == 10);
+}
+
+fn main() {
+  test_basic();
+  test_rec();
+  test_filled_with_stuff();
+}