Reorder injection of std to get better compilation error

2018-04-16 12:28:30 -07:00
parent bd40cbbe1f
commit 084d2bc479
3 changed files with 27 additions and 1 deletions
--- a/src/libsyntax/std_inject.rs
+++ b/src/libsyntax/std_inject.rs
@@ -57,7 +57,8 @@ pub fn maybe_inject_crates_ref(mut krate: ast::Crate, alt_std_name: Option<&str>
        &["std"]
    };

-    for name in names {
+    // .rev() to preserve ordering above in combination with insert(0, ...)
+    for name in names.iter().rev() {
        krate.module.items.insert(0, P(ast::Item {
            attrs: vec![attr::mk_attr_outer(DUMMY_SP,
                                            attr::mk_attr_id(),