diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs')
-rw-r--r-- | compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs index 3e994f037..af9719586 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs @@ -7,7 +7,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::sym; use rustc_span::Span; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_eq( cx: &mut ExtCtxt<'_>, @@ -27,6 +27,7 @@ pub fn expand_deriving_eq( span, path: path_std!(cmp::Eq), skip_path_as_bound: false, + needs_copy_as_bound_if_packed: true, additional_bounds: Vec::new(), supports_unions: true, methods: vec![MethodDef { @@ -55,7 +56,7 @@ fn cs_total_eq_assert( trait_span: Span, substr: &Substructure<'_>, ) -> BlockOrExpr { - let mut stmts = Vec::new(); + let mut stmts = ThinVec::new(); let mut seen_type_names = FxHashSet::default(); let mut process_variant = |variant: &ast::VariantData| { for field in variant.fields() { |