diff options
Diffstat (limited to 'compiler/rustc_expand/src/config.rs')
| -rw-r--r-- | compiler/rustc_expand/src/config.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 690f80f6876..bcfa5313bde 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -197,9 +197,11 @@ pub fn pre_configure_attrs(sess: &Session, attrs: &[Attribute]) -> ast::AttrVec config_tokens: false, lint_node_id: ast::CRATE_NODE_ID, }; - let attrs: ast::AttrVec = - attrs.iter().flat_map(|attr| strip_unconfigured.process_cfg_attr(attr)).collect(); - if strip_unconfigured.in_cfg(&attrs) { attrs } else { ast::AttrVec::new() } + attrs + .iter() + .flat_map(|attr| strip_unconfigured.process_cfg_attr(attr)) + .take_while(|attr| !is_cfg(attr) || strip_unconfigured.cfg_true(attr).0) + .collect() } #[macro_export] |