Add regresion tests for issue #1448 and #1387.

Author: kevina

src/test/compile-fail/issue-1448-1.rs

@@ -0,0 +1,7 @@
+// Regresion test for issue #1448 and #1386
+
+fn main() {
+    #macro[[#apply[f, [x, ...]], f(x, ...)]];
+    fn add(a: int, b: int) -> int { ret a + b; }
+    assert (#apply[add, [y, 15]] == 16); //! ERROR unresolved name: y
+}

src/test/compile-fail/issue-1448-2.rs

@@ -0,0 +1,5 @@
+// Regresion test for issue #1448 and #1386
+
+fn main() {
+    #debug["%u", 10]; //! ERROR mismatched types
+}