diff options
Diffstat (limited to 'compiler/rustc_span/src/span_encoding.rs')
| -rw-r--r-- | compiler/rustc_span/src/span_encoding.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/compiler/rustc_span/src/span_encoding.rs b/compiler/rustc_span/src/span_encoding.rs index e9120b98aab..61e4074a7c8 100644 --- a/compiler/rustc_span/src/span_encoding.rs +++ b/compiler/rustc_span/src/span_encoding.rs @@ -61,6 +61,15 @@ use rustc_data_structures::fx::FxIndexSet; /// using the callback `SPAN_TRACK` to access the query engine. /// #[derive(Clone, Copy, Eq, PartialEq, Hash)] +// FIXME(@lcnr): Enable this attribute once the bootstrap +// compiler knows of `rustc_pass_by_value`. +// +// Right now, this lint would only trigger when compiling the +// stage 2 compiler, which is fairly annoying as there are +// a lot of places using `&Span` right now. After the next bootstrap bump, +// the lint will already trigger when using stage 1, which is a lot less annoying. +// +// #[cfg_attr(not(bootstrap), rustc_pass_by_value)] pub struct Span { base_or_index: u32, len_or_tag: u16, |