Fix the span for try shorthand expressions

Author: marcusklaas

src/libsyntax/parse/parser.rs

@@ -2576,7 +2576,7 @@ impl<'a> Parser<'a> {
         loop {
             // expr?
             while self.eat(&token::Question) {
-                let hi = self.span.hi;
+                let hi = self.last_span.hi;
                 e = self.mk_expr(lo, hi, ExprKind::Try(e), None);
             }
 

src/test/compile-fail/symbol-names/issue-32709.rs

@@ -0,0 +1,20 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(question_mark)]
+
+// Make sure that the span of try shorthand does not include the trailing
+// semicolon;
+fn a() -> Result<i32, ()> {
+    Err(5)?; //~ ERROR 16:5: 16:12
+    Ok(1)
+}
+
+fn main() {}