Auto merge of rust-lang#7022 - Jarcho:macro_use_import_ice, r=flip1995

Fix `macro_use_import` ICE fixes: rust-lang#7015 changelog: Fix `macro_use_import` ICE
flip1995 · Apr 8, 2021 · c40fa00 · c40fa00
2 parents b40ea20 + c05760f
commit c40fa00
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Showing 3 changed files with 11 additions and 2 deletions.
diff --git a/clippy_lints/src/macro_use.rs b/clippy_lints/src/macro_use.rs
@@ -112,6 +112,7 @@ impl<'tcx> LateLintPass<'tcx> for MacroUseImports {
             let attrs = cx.tcx.hir().attrs(item.hir_id());
             if let Some(mac_attr) = attrs.iter().find(|attr| attr.has_name(sym::macro_use));
             if let Res::Def(DefKind::Mod, id) = path.res;
+            if !id.is_local();
             then {
                 for kid in cx.tcx.item_children(id).iter() {
                     if let Res::Def(DefKind::Macro(_mac_type), mac_id) = kid.res {

diff --git a/tests/ui/macro_use_imports.fixed b/tests/ui/macro_use_imports.fixed
@@ -4,7 +4,7 @@
 // run-rustfix
 // ignore-32bit
 
-#![allow(unused_imports, unreachable_code, unused_variables, dead_code)]
+#![allow(unused_imports, unreachable_code, unused_variables, dead_code, unused_attributes)]
 #![allow(clippy::single_component_path_imports)]
 #![warn(clippy::macro_use_imports)]
 
@@ -40,4 +40,8 @@ mod a {
     }
 }
 
+// issue #7015, ICE due to calling `item_children` with local `DefId`
+#[macro_use]
+use a as b;
+
 fn main() {}
diff --git a/tests/ui/macro_use_imports.rs b/tests/ui/macro_use_imports.rs
@@ -4,7 +4,7 @@
 // run-rustfix
 // ignore-32bit
 
-#![allow(unused_imports, unreachable_code, unused_variables, dead_code)]
+#![allow(unused_imports, unreachable_code, unused_variables, dead_code, unused_attributes)]
 #![allow(clippy::single_component_path_imports)]
 #![warn(clippy::macro_use_imports)]
 
@@ -40,4 +40,8 @@ mod a {
     }
 }
 
+// issue #7015, ICE due to calling `item_children` with local `DefId`
+#[macro_use]
+use a as b;
+
 fn main() {}