1 files changed, 26 insertions, 1 deletions
diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index f947f3f..8f3af36 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -61,6 +61,7 @@ public:
 
     DEREF,
     DEREF_MUT,
+    RECEIVER,
 
     // https://github.com/rust-lang/rust/blob/master/library/core/src/ops/index.rs
     INDEX,
@@ -126,22 +127,46 @@ public:
     OPTION_SOME,
     OPTION_NONE,
 
+    RESULT_OK,
+    RESULT_ERR,
+
     INTOITER_INTOITER,
     ITERATOR_NEXT,
+
+    // NOTE: These lang items are *not* necessarily present in later versions of
+    // Rust (I am unsure at which point they have been removed as the `Try`
+    // trait is unstable). They will need to be changed when updating the
+    // targeted Rust version of gccrs
+    TRY,
+    TRY_INTO_RESULT,
+    TRY_FROM_ERROR,
+    TRY_FROM_OK,
+
+    // NOTE: This is not a lang item in later versions of Rust
+    FROM_FROM,
+
+    STRUCTURAL_PEQ,
+    STRUCTURAL_TEQ,
+
+    DISCRIMINANT_TYPE,
+    DISCRIMINANT_KIND,
   };
 
   static const BiMap<std::string, Kind> lang_items;
 
   static tl::optional<Kind> Parse (const std::string &item);
+
   static std::string ToString (Kind type);
   static std::string PrettyString (Kind type);
+
   static Kind OperatorToLangItem (ArithmeticOrLogicalOperator op);
   static Kind
   CompoundAssignmentOperatorToLangItem (ArithmeticOrLogicalOperator op);
   static Kind NegationOperatorToLangItem (NegationOperator op);
   static Kind ComparisonToLangItem (ComparisonOperator op);
-
   static std::string ComparisonToSegment (ComparisonOperator op);
+
+  static bool IsEnumVariant (Kind type);
 };
 
 } // namespace Rust