Fix unused attributes on macro_rules.

2 files changed, 4 insertions, 3 deletions

diff --git a/compiler/rustc_lint/src/late.rs b/compiler/rustc_lint/src/late.rs
index d325b5fe7f8..0a7ab4a2baf 100644
--- a/compiler/rustc_lint/src/late.rs
+++ b/compiler/rustc_lint/src/late.rs
@@ -448,6 +448,10 @@ fn late_lint_pass_crate<'tcx, T: LateLintPass<'tcx>>(tcx: TyCtxt<'tcx>, pass: T)
         lint_callback!(cx, check_crate, krate);
 
         hir_visit::walk_crate(cx, krate);
+        for attr in krate.non_exported_macro_attrs {
+            // This HIR ID is a lie, since the macro ID isn't available.
+            cx.visit_attribute(hir::CRATE_HIR_ID, attr);
+        }
 
         lint_callback!(cx, check_crate_post, krate);
     })
diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs
index f12debb5a34..f4e4579bec2 100644
--- a/compiler/rustc_target/src/asm/mod.rs
+++ b/compiler/rustc_target/src/asm/mod.rs
@@ -6,7 +6,6 @@ use rustc_span::Symbol;
 use std::fmt;
 use std::str::FromStr;
 
-#[macro_use]
 macro_rules! def_reg_class {
     ($arch:ident $arch_regclass:ident {
         $(
@@ -51,7 +50,6 @@ macro_rules! def_reg_class {
     }
 }
 
-#[macro_use]
 macro_rules! def_regs {
     ($arch:ident $arch_reg:ident $arch_regclass:ident {
         $(
@@ -129,7 +127,6 @@ macro_rules! def_regs {
     }
 }
 
-#[macro_use]
 macro_rules! types {
     (
         $(_ : $($ty:expr),+;)?