From ae35bc3beeeb833c173ade959f77239d3765602d Mon Sep 17 00:00:00 2001
From: Philip Herron <philip.herron@embecosm.com>
Date: Mon, 17 Oct 2022 16:50:34 +0100
Subject: [PATCH] Add missing fn_once_output langitem

---
 gcc/rust/util/rust-lang-item.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index c7e0e5c811d4..02eeaee60df3 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -75,6 +75,7 @@ class RustLangItem
 
     // functions
     FN_ONCE,
+    FN_ONCE_OUTPUT,
 
     UNKNOWN,
   };
@@ -225,6 +226,10 @@ class RustLangItem
       {
 	return ItemType::FN_ONCE;
       }
+    else if (item.compare ("fn_once_output") == 0)
+      {
+	return ItemType::FN_ONCE_OUTPUT;
+      }
 
     return ItemType::UNKNOWN;
   }
@@ -305,6 +310,8 @@ class RustLangItem
 	return "const_slice_ptr";
       case FN_ONCE:
 	return "fn_once";
+      case FN_ONCE_OUTPUT:
+	return "fn_once_output";
 
       case UNKNOWN:
 	return "<UNKNOWN>";