1 files changed, 17 insertions, 2 deletions
diff --git a/compiler/rustc_metadata/src/rmeta/table.rs b/compiler/rustc_metadata/src/rmeta/table.rs
index 21841ae25..e7c1abd12 100644
--- a/compiler/rustc_metadata/src/rmeta/table.rs
+++ b/compiler/rustc_metadata/src/rmeta/table.rs
@@ -10,7 +10,6 @@ use rustc_span::hygiene::MacroKind;
 use std::convert::TryInto;
 use std::marker::PhantomData;
 use std::num::NonZeroUsize;
-use tracing::debug;
 
 /// Helper trait, for encoding to, and decoding from, a fixed number of bytes.
 /// Used mainly for Lazy positions and lengths.
@@ -51,7 +50,7 @@ macro_rules! fixed_size_enum {
                 }
                 match b[0] - 1 {
                     $(${index()} => Some($($pat)*),)*
-                    _ => panic!("Unexpected ImplPolarity code: {:?}", b[0]),
+                    _ => panic!("Unexpected {} code: {:?}", stringify!($ty), b[0]),
                 }
             }
 
@@ -91,6 +90,7 @@ fixed_size_enum! {
         ( AnonConst                                )
         ( InlineConst                              )
         ( OpaqueTy                                 )
+        ( ImplTraitPlaceholder                     )
         ( Field                                    )
         ( LifetimeParam                            )
         ( GlobalAsm                                )
@@ -141,6 +141,21 @@ fixed_size_enum! {
     }
 }
 
+fixed_size_enum! {
+    ty::AssocItemContainer {
+        ( TraitContainer )
+        ( ImplContainer  )
+    }
+}
+
+fixed_size_enum! {
+    MacroKind {
+        ( Attr   )
+        ( Bang   )
+        ( Derive )
+    }
+}
+
 // We directly encode `DefPathHash` because a `LazyValue` would incur a 25% cost.
 impl FixedSizeEncoding for Option<DefPathHash> {
     type ByteArray = [u8; 16];