Add regression test for issue #1362.

Although its not really needed.  Without that fix, reported spans will
likely be bogus if the error is within the first couple of lines
(probable around 5) of that file.  Thus, many of the compile-fail
tests will fail due to incorrect location.

src/test/compile-fail/issue-1362.rs

@@ -0,0 +1,8 @@
+// Regression test for issue #1362
+//   (without out that fix the location will be bogus)
+fn main() {
+  let x: uint = 20; //! ERROR mismatched types
+}
+// NOTE: Do not add any extra lines as the line number the error is
+// on is significant; an error later in the source file might not
+// trigger the bug.