diff options
| -rw-r--r-- | compiler/rustc_ast_lowering/src/item.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 85d3bf66d8e..bcbd0b655eb 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -1374,7 +1374,8 @@ impl<'hir> LoweringContext<'_, 'hir> { .map(|predicate| self.lower_where_predicate(predicate)), ); - let mut params: Vec<_> = self.lower_generic_params_mut(&generics.params).collect(); + let mut params: SmallVec<[hir::GenericParam<'hir>; 4]> = + self.lower_generic_params_mut(&generics.params).collect(); let has_where_clause = !generics.where_clause.predicates.is_empty(); let where_clause_span = self.lower_span(generics.where_clause.span); let span = self.lower_span(generics.span); |