[gcc r14-8069] gccrs: hir: Add missing getter

[Arthur Cohen]

https://gcc.gnu.org/g:60a0729b2a0b306c8bb59d2de72f0ca9dfa404e5

commit r14-8069-g60a0729b2a0b306c8bb59d2de72f0ca9dfa404e5
Author: Jakub Dupak <dev@jakubdupak.com>
Date:   Tue Oct 17 15:46:05 2023 +0200

    gccrs: hir: Add missing getter
    
    gcc/rust/ChangeLog:
    
            * hir/tree/rust-hir-expr.h: Add getter for name.
    
    Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

Diff:
---
 gcc/rust/hir/tree/rust-hir-expr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/rust/hir/tree/rust-hir-expr.h b/gcc/rust/hir/tree/rust-hir-expr.h
index 6d26287dbe3..645e5db9abe 100644
--- a/gcc/rust/hir/tree/rust-hir-expr.h
+++ b/gcc/rust/hir/tree/rust-hir-expr.h
@@ -1538,6 +1538,8 @@ public:
   void accept_vis (HIRFullVisitor &vis) override;
   void accept_vis (HIRExpressionVisitor &vis) override;
 
+  Identifier get_field_name () const { return field_name; }
+
   StructExprFieldKind get_kind () const override
   {
     return StructExprFieldKind::IDENTIFIER_VALUE;