Move the lint for the stability lints to the method name only

Closes #17337.

Author: ftxqxd

src/librustc/lint/builtin.rs

@@ -1492,14 +1492,17 @@ impl LintPass for Stability {
         });
         if skip { return; }
 
+        let mut span = e.span;
+
         let id = match e.node {
             ast::ExprPath(..) | ast::ExprStruct(..) => {
                 match cx.tcx.def_map.borrow().find(&e.id) {
                     Some(&def) => def.def_id(),
                     None => return
                 }
             }
-            ast::ExprMethodCall(..) => {
+            ast::ExprMethodCall(i, _, _) => {
+                span = i.span;
                 let method_call = typeck::MethodCall::expr(e.id);
                 match cx.tcx.method_map.borrow().find(&method_call) {
                     Some(method) => {
@@ -1556,7 +1559,7 @@ impl LintPass for Stability {
             _ => format!("use of {} item", label)
         };
 
-        cx.span_lint(lint, e.span, msg.as_slice());
+        cx.span_lint(lint, span, msg.as_slice());
     }
 }
 

src/test/compile-fail/issue-17337.rs

@@ -0,0 +1,23 @@
+// Copyright 2014 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.
+
+#![deny(deprecated)]
+
+struct Foo;
+
+impl Foo {
+    #[deprecated]
+    fn foo(self) {}
+}
+
+fn main() {
+    Foo
+    .foo(); //~ ERROR use of deprecated item
+}