[gcc r15-8841] gccrs: Add enum variant string information to definition

[Arthur Cohen]

https://gcc.gnu.org/g:f9c9afd0b8bcc268648055ccebe0e760394e314d

commit r15-8841-gf9c9afd0b8bcc268648055ccebe0e760394e314d
Author: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date:   Tue Mar 4 16:59:11 2025 +0100

    gccrs: Add enum variant string information to definition
    
    New enum variant status now appears in the string representation of
    the resolver's definition.
    
    gcc/rust/ChangeLog:
    
            * resolve/rust-rib.cc (Rib::Definition::to_string): Add enum variant
            status.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

Diff:
---
 gcc/rust/resolve/rust-rib.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/rust/resolve/rust-rib.cc b/gcc/rust/resolve/rust-rib.cc
index 1d53a7418588..690bde911396 100644
--- a/gcc/rust/resolve/rust-rib.cc
+++ b/gcc/rust/resolve/rust-rib.cc
@@ -76,6 +76,8 @@ Rib::Definition::to_string () const
 	}
     }
   out << "]";
+  if (enum_variant)
+    out << "(enum variant)";
   return out.str ();
 }