prevent panic in enum glob import lint if a crate's elements are glob imported

fixes #639

src/enum_glob_use.rs

@@ -3,7 +3,7 @@
 use rustc::lint::{LateLintPass, LintPass, LateContext, LintArray, LintContext};
 use rustc_front::hir::*;
 use rustc::front::map::Node::NodeItem;
-use rustc::front::map::PathElem::PathName;
+use rustc::front::map::definitions::DefPathData;
 use rustc::middle::ty::TyEnum;
 use utils::span_lint;
 use syntax::codemap::Span;
@@ -49,9 +49,11 @@ impl EnumGlobUse {
                         span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
                     }
                 } else {
-                    if let Some(&PathName(_)) = cx.sess().cstore.item_path(def.def_id()).last() {
+                    if let Some(dp) = cx.sess().cstore.def_path(def.def_id()).last() {
-                        if let TyEnum(..) = cx.sess().cstore.item_type(&cx.tcx, def.def_id()).ty.sty {
+                        if let DefPathData::Type(_) = dp.data {
-                            span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
+                            if let TyEnum(..) = cx.sess().cstore.item_type(&cx.tcx, def.def_id()).ty.sty {
+                                span_lint(cx, ENUM_GLOB_USE, item.span, "don't use glob imports for enum variants");
+                            }
                         }
                     }
                 }

tests/compile-test.rs

@@ -21,5 +21,6 @@ fn run_mode(mode: &'static str) {
 
 #[test]
 fn compile_test() {
+    run_mode("run-pass");
     run_mode("compile-fail");
 }

tests/run-pass/enum-glob-import-crate.rs

@@ -0,0 +1,7 @@
+#![feature(plugin)]
+#![plugin(clippy)]
+#![deny(clippy)]
+
+use std::*;
+
+fn main() { }