HIR: remove obsole double borrow member

gcc/rust/ChangeLog:

	* hir/rust-hir-dump.cc (Dump::visit): Remove obsolete member.
	* hir/tree/rust-hir-expr.h (class BorrowExpr): Remove obsolete member.
	* hir/tree/rust-hir.cc (BorrowExpr::as_string): Remove obsolete member.

Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

3 files changed, 0 insertions, 9 deletions

diff --git a/gcc/rust/hir/rust-hir-dump.cc b/gcc/rust/hir/rust-hir-dump.cc
index 8e31f27..28d73ed 100644
--- a/gcc/rust/hir/rust-hir-dump.cc
+++ b/gcc/rust/hir/rust-hir-dump.cc
@@ -808,7 +808,6 @@ Dump::visit (BorrowExpr &e)
   begin ("BorrowExpr");
   do_operatorexpr (e);
 
-  put_field ("double_borrow", std::to_string (e.is_double_borrow ()));
   put_field ("mut", enum_to_str (e.get_mut ()));
 
   end ("BorrowExpr");
diff --git a/gcc/rust/hir/tree/rust-hir-expr.h b/gcc/rust/hir/tree/rust-hir-expr.h
index c5abeaa..a13a34e 100644
--- a/gcc/rust/hir/tree/rust-hir-expr.h
+++ b/gcc/rust/hir/tree/rust-hir-expr.h
@@ -213,7 +213,6 @@ public:
 class BorrowExpr : public OperatorExpr
 {
   Mutability mut;
-  bool double_borrow;
 
 public:
   std::string as_string () const override;
@@ -232,8 +231,6 @@ public:
   Mutability get_mut () const { return mut; }
   bool is_mut () const { return mut == Mutability::Mut; }
 
-  bool is_double_borrow () const { return double_borrow; }
-
 protected:
   /* Use covariance to implement clone function as returning this object rather
    * than base */
diff --git a/gcc/rust/hir/tree/rust-hir.cc b/gcc/rust/hir/tree/rust-hir.cc
index f27cad5..5e5c4f6 100644
--- a/gcc/rust/hir/tree/rust-hir.cc
+++ b/gcc/rust/hir/tree/rust-hir.cc
@@ -1182,11 +1182,6 @@ BorrowExpr::as_string () const
 {
   std::string str ("&");
 
-  if (double_borrow)
-    {
-      str += "&";
-    }
-
   if (is_mut ())
     {
       str += "mut ";