3 files changed, 3 insertions, 0 deletions
diff --git a/compiler/rustc_builtin_macros/src/assert/context.rs b/compiler/rustc_builtin_macros/src/assert/context.rs
index 01821ee833f..7737041090b 100644
--- a/compiler/rustc_builtin_macros/src/assert/context.rs
+++ b/compiler/rustc_builtin_macros/src/assert/context.rs
@@ -303,6 +303,7 @@ impl<'cx, 'a> Context<'cx, 'a> {
             | ExprKind::Closure(_)
             | ExprKind::ConstBlock(_)
             | ExprKind::Continue(_)
+            | ExprKind::Dummy
             | ExprKind::Err
             | ExprKind::Field(_, _)
             | ExprKind::ForLoop { .. }
diff --git a/compiler/rustc_builtin_macros/src/concat.rs b/compiler/rustc_builtin_macros/src/concat.rs
index 795161e65d8..691142c03ed 100644
--- a/compiler/rustc_builtin_macros/src/concat.rs
+++ b/compiler/rustc_builtin_macros/src/concat.rs
@@ -68,6 +68,7 @@ pub fn expand_concat(
             ast::ExprKind::Err => {
                 has_errors = true;
             }
+            ast::ExprKind::Dummy => cx.dcx().span_bug(e.span, "concatenating `ExprKind::Dummy`"),
             _ => {
                 missing_literal.push(e.span);
             }
diff --git a/compiler/rustc_builtin_macros/src/concat_bytes.rs b/compiler/rustc_builtin_macros/src/concat_bytes.rs
index 3ef8cb7bffe..8ce004586ce 100644
--- a/compiler/rustc_builtin_macros/src/concat_bytes.rs
+++ b/compiler/rustc_builtin_macros/src/concat_bytes.rs
@@ -176,6 +176,7 @@ pub fn expand_concat_bytes(
             ast::ExprKind::Err => {
                 has_errors = true;
             }
+            ast::ExprKind::Dummy => cx.dcx().span_bug(e.span, "concatenating `ExprKind::Dummy`"),
             _ => {
                 missing_literals.push(e.span);
             }