Fix enum discriminant type

gcc/rust/ChangeLog: * backend/rust-compile-type.cc (TyTyResolveCompile::get_implicit_enumeral_node_type): Make enumeral type equivalent to isize. Signed-off-by: Owen Avery <[email protected]>
Rust-GCC · Oct 23, 2023 · 256188d · 256188d
1 parent ee57c0e
commit 256188d
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/gcc/rust/backend/rust-compile-type.cc b/gcc/rust/backend/rust-compile-type.cc
@@ -79,9 +79,10 @@ TyTyResolveCompile::get_implicit_enumeral_node_type (Context *ctx)
   static tree enum_node = NULL_TREE;
   if (enum_node == NULL_TREE)
     {
-      enum_node
-	= Backend::named_type ("enumeral", Backend::integer_type (false, 64),
-			       BUILTINS_LOCATION);
+      // equivalent to isize
+      enum_node = Backend::named_type (
+	"enumeral", Backend::integer_type (false, Backend::get_pointer_size ()),
+	BUILTINS_LOCATION);
     }
   return enum_node;
 }