Use Rc<[Symbol]> instead of Vec<Symbol> to reduce # of allocs

2019-02-07 14:19:06 +01:00
parent 1dba7cb202
commit b681433b9d
19 changed files with 54 additions and 50 deletions
--- a/src/libsyntax_ext/test.rs
+++ b/src/libsyntax_ext/test.rs
@@ -66,10 +66,10 @@ pub fn expand_test_or_bench(
            call_site: DUMMY_SP,
            def_site: None,
            format: MacroAttribute(Symbol::intern("test")),
-            allow_internal_unstable: vec![
+            allow_internal_unstable: Some(vec![
                Symbol::intern("rustc_attrs"),
                Symbol::intern("test"),
-            ],
+            ].into()),
            allow_internal_unsafe: false,
            local_inner_macros: false,
            edition: hygiene::default_edition(),