[gcc r16-227] gccrs: Add equality operator for identifiers

[Arthur Cohen via Gcc-cvs]

https://gcc.gnu.org/g:12b3858d106fb3e80ae87b95897d4903af3c11cb

commit r16-227-g12b3858d106fb3e80ae87b95897d4903af3c11cb
Author: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>
Date:   Sun Apr 6 01:43:20 2025 +0200

    gccrs: Add equality operator for identifiers
    
    gcc/rust/ChangeLog:
    
            * ast/rust-ast.h: Add equality operator.
    
    Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.pa...@embecosm.com>

Diff:
---
 gcc/rust/ast/rust-ast.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gcc/rust/ast/rust-ast.h b/gcc/rust/ast/rust-ast.h
index 55f178d782c3..94585dc13442 100644
--- a/gcc/rust/ast/rust-ast.h
+++ b/gcc/rust/ast/rust-ast.h
@@ -57,6 +57,11 @@ public:
 
   bool empty () const { return ident.empty (); }
 
+  bool operator== (const Identifier &other) const
+  {
+    return ident == other.ident;
+  }
+
 private:
   std::string ident;
   location_t loc;