diff options
Diffstat (limited to '')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/global_allocator.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/compiler/rustc_builtin_macros/src/global_allocator.rs b/compiler/rustc_builtin_macros/src/global_allocator.rs index 36cfbba45..45b9b8ab6 100644 --- a/compiler/rustc_builtin_macros/src/global_allocator.rs +++ b/compiler/rustc_builtin_macros/src/global_allocator.rs @@ -4,11 +4,12 @@ use rustc_ast::expand::allocator::{ AllocatorKind, AllocatorMethod, AllocatorTy, ALLOCATOR_METHODS, }; use rustc_ast::ptr::P; -use rustc_ast::{self as ast, Attribute, Expr, FnHeader, FnSig, Generics, Param, StmtKind}; +use rustc_ast::{self as ast, AttrVec, Expr, FnHeader, FnSig, Generics, Param, StmtKind}; use rustc_ast::{Fn, ItemKind, Mutability, Stmt, Ty, TyKind, Unsafe}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; +use thin_vec::thin_vec; pub fn expand( ecx: &mut ExtCtxt<'_>, @@ -113,10 +114,10 @@ impl AllocFnFactory<'_, '_> { self.cx.expr_call(self.ty_span, method, args) } - fn attrs(&self) -> Vec<Attribute> { + fn attrs(&self) -> AttrVec { let special = sym::rustc_std_internal_symbol; let special = self.cx.meta_word(self.span, special); - vec![self.cx.attribute(special)] + thin_vec![self.cx.attribute(special)] } fn arg_ty( |