Cache foreign_modules query

2020-10-27 15:01:03 +01:00
parent 9f6c670c4b
commit 69dc98161a
7 changed files with 20 additions and 16 deletions
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@@ -378,8 +378,8 @@ pub fn provide_both(providers: &mut Providers) {
            .collect::<FxHashMap<_, _>>();

        let mut ret = FxHashMap::default();
-        for lib in tcx.foreign_modules(cnum).iter() {
-            let module = def_id_to_native_lib.get(&lib.def_id).and_then(|s| s.wasm_import_module);
+        for (def_id, lib) in tcx.foreign_modules(cnum).iter() {
+            let module = def_id_to_native_lib.get(&def_id).and_then(|s| s.wasm_import_module);
            let module = match module {
                Some(s) => s,
                None => continue,