[gcc/devel/rust/master] Handle "fn" and "fn_mut" lang items

[gcc/devel/rust/master] Handle "fn" and "fn_mut" lang items

[Thomas Schwinge]

https://gcc.gnu.org/g:011eb78b3531b27fd68aa89a50860564f44f8319

commit 011eb78b3531b27fd68aa89a50860564f44f8319
Author: Owen Avery <powerboat9.gamer@gmail.com>
Date:   Mon Apr 3 18:52:23 2023 -0400

    Handle "fn" and "fn_mut" lang items
    
    gcc/rust/ChangeLog:
    
            * util/rust-lang-item.h
            (RustLangItem::ItemType::FN): Add.
            (RustLangItem::ItemType::FN_MUT): Add.
            (RustLangItem::Parse): Handle FN and FN_MUT.
            (RustLangItem::ToString): Handle FN and FN_MUT.
    
    Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>

Diff:
---
 gcc/rust/util/rust-lang-item.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index cc069e1a309..c3a63db6329 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -72,6 +72,8 @@ public:
     PHANTOM_DATA,
 
     // functions
+    FN,
+    FN_MUT,
     FN_ONCE,
     FN_ONCE_OUTPUT,
 
@@ -252,6 +254,14 @@ public:
       {
 	return ItemType::PHANTOM_DATA;
       }
+    else if (item.compare ("fn") == 0)
+      {
+	return ItemType::FN;
+      }
+    else if (item.compare ("fn_mut") == 0)
+      {
+	return ItemType::FN_MUT;
+      }
     else if (item.compare ("fn_once") == 0)
       {
 	return ItemType::FN_ONCE;
@@ -462,6 +472,10 @@ public:
 	return "RangeToInclusive";
       case PHANTOM_DATA:
 	return "phantom_data";
+      case FN:
+	return "fn";
+      case FN_MUT:
+	return "fn_mut";
       case FN_ONCE:
 	return "fn_once";
       case FN_ONCE_OUTPUT: