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-rw-r--r--compiler/rustc_passes/src/check_const.rs10
-rw-r--r--compiler/rustc_passes/src/dead.rs21
-rw-r--r--compiler/rustc_passes/src/liveness.rs8
-rw-r--r--compiler/rustc_passes/src/loops.rs7
4 files changed, 21 insertions, 25 deletions
diff --git a/compiler/rustc_passes/src/check_const.rs b/compiler/rustc_passes/src/check_const.rs
index 71f3e8b7b5d..3f6eccbd5a5 100644
--- a/compiler/rustc_passes/src/check_const.rs
+++ b/compiler/rustc_passes/src/check_const.rs
@@ -196,6 +196,11 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> {
         self.recurse_into(kind, None, |this| intravisit::walk_anon_const(this, anon));
     }
 
+    fn visit_inline_const(&mut self, block: &'tcx hir::ConstBlock) {
+        let kind = Some(hir::ConstContext::Const { inline: true });
+        self.recurse_into(kind, None, |this| intravisit::walk_inline_const(this, block));
+    }
+
     fn visit_body(&mut self, body: &hir::Body<'tcx>) {
         let owner = self.tcx.hir().body_owner_def_id(body.id());
         let kind = self.tcx.hir().body_const_context(owner);
@@ -223,11 +228,6 @@ impl<'tcx> Visitor<'tcx> for CheckConstVisitor<'tcx> {
                     self.const_check_violated(expr, e.span);
                 }
             }
-            hir::ExprKind::ConstBlock(expr) => {
-                let kind = Some(hir::ConstContext::Const { inline: true });
-                self.recurse_into(kind, None, |this| intravisit::walk_expr(this, expr));
-                return;
-            }
 
             _ => {}
         }
diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs
index 0049afff528..ddc50e2b811 100644
--- a/compiler/rustc_passes/src/dead.rs
+++ b/compiler/rustc_passes/src/dead.rs
@@ -587,16 +587,6 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
             hir::ExprKind::OffsetOf(..) => {
                 self.handle_offset_of(expr);
             }
-            hir::ExprKind::ConstBlock(expr) => {
-                // When inline const blocks are used in pattern position, paths
-                // referenced by it should be considered as used.
-                let in_pat = mem::replace(&mut self.in_pat, false);
-
-                intravisit::walk_expr(self, expr);
-
-                self.in_pat = in_pat;
-                return;
-            }
             _ => (),
         }
 
@@ -658,6 +648,17 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> {
 
         self.in_pat = in_pat;
     }
+
+    fn visit_inline_const(&mut self, c: &'tcx hir::ConstBlock) {
+        // When inline const blocks are used in pattern position, paths
+        // referenced by it should be considered as used.
+        let in_pat = mem::replace(&mut self.in_pat, false);
+
+        self.live_symbols.insert(c.def_id);
+        intravisit::walk_inline_const(self, c);
+
+        self.in_pat = in_pat;
+    }
 }
 
 fn has_allow_dead_code_or_lang_attr(
diff --git a/compiler/rustc_passes/src/liveness.rs b/compiler/rustc_passes/src/liveness.rs
index 698f15015c4..dfa7dfa3398 100644
--- a/compiler/rustc_passes/src/liveness.rs
+++ b/compiler/rustc_passes/src/liveness.rs
@@ -147,11 +147,6 @@ fn check_liveness(tcx: TyCtxt<'_>, def_id: LocalDefId) {
         return;
     }
 
-    // Don't run for inline consts, they are collected together with their parent
-    if let DefKind::InlineConst = tcx.def_kind(def_id) {
-        return;
-    }
-
     // Don't run unused pass for #[naked]
     if tcx.has_attr(def_id.to_def_id(), sym::naked) {
         return;
@@ -1148,13 +1143,12 @@ impl<'a, 'tcx> Liveness<'a, 'tcx> {
             }
 
             hir::ExprKind::Lit(..)
+            | hir::ExprKind::ConstBlock(..)
             | hir::ExprKind::Err(_)
             | hir::ExprKind::Path(hir::QPath::TypeRelative(..))
             | hir::ExprKind::Path(hir::QPath::LangItem(..))
             | hir::ExprKind::OffsetOf(..) => succ,
 
-            hir::ExprKind::ConstBlock(expr) => self.propagate_through_expr(expr, succ),
-
             // Note that labels have been resolved, so we don't need to look
             // at the label ident
             hir::ExprKind::Block(ref blk, _) => self.propagate_through_block(blk, succ),
diff --git a/compiler/rustc_passes/src/loops.rs b/compiler/rustc_passes/src/loops.rs
index 737310e5c04..2587a18b8c8 100644
--- a/compiler/rustc_passes/src/loops.rs
+++ b/compiler/rustc_passes/src/loops.rs
@@ -93,6 +93,10 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> {
         self.with_context(Constant, |v| intravisit::walk_anon_const(v, c));
     }
 
+    fn visit_inline_const(&mut self, c: &'hir hir::ConstBlock) {
+        self.with_context(Constant, |v| intravisit::walk_inline_const(v, c));
+    }
+
     fn visit_fn(
         &mut self,
         fk: hir::intravisit::FnKind<'hir>,
@@ -285,9 +289,6 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> {
                     self.cx_stack.len() - 1,
                 )
             }
-            hir::ExprKind::ConstBlock(expr) => {
-                self.with_context(Constant, |v| intravisit::walk_expr(v, expr));
-            }
             _ => intravisit::walk_expr(self, e),
         }
     }