Require a list of features to allow in allow_internal_unstable

2019-02-03 12:55:00 +01:00
parent 57d7cfc3cf
commit d3c212c552
35 changed files with 182 additions and 93 deletions
--- a/src/libsyntax/std_inject.rs
+++ b/src/libsyntax/std_inject.rs
@@ -20,7 +20,9 @@ fn ignored_span(sp: Span) -> Span {
        call_site: DUMMY_SP,
        def_site: None,
        format: MacroAttribute(Symbol::intern("std_inject")),
-        allow_internal_unstable: true,
+        allow_internal_unstable: vec![
+            Symbol::intern("prelude_import"),
+        ],
        allow_internal_unsafe: false,
        local_inner_macros: false,
        edition: hygiene::default_edition(),