From: Piotr Trojanek <troja...@adacore.com>

Code cleanup; semantics is unaffected.

gcc/ada/

        * exp_ch4.adb (Is_OK_Object_Reference): Replace loop with a call to
        Unqual_Conv; consequently, change object from variable to constant;
        replace an IF statement with an AND THEN expression.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/ada/exp_ch4.adb | 26 ++++----------------------
 1 file changed, 4 insertions(+), 22 deletions(-)

diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb
index 48692c06f01..438cd45ef0e 100644
--- a/gcc/ada/exp_ch4.adb
+++ b/gcc/ada/exp_ch4.adb
@@ -6492,34 +6492,16 @@ package body Exp_Ch4 is
          ----------------------------
 
          function Is_OK_Object_Reference (Nod : Node_Id) return Boolean is
-            Obj_Ref : Node_Id;
+            Obj_Ref : constant Node_Id := Original_Node (Nod);
+            --  The original operand
 
          begin
-            --  Inspect the original operand
-
-            Obj_Ref := Original_Node (Nod);
-
             --  The object reference must be a source construct, otherwise the
             --  codefix suggestion may refer to nonexistent code from a user
             --  perspective.
 
-            if Comes_From_Source (Obj_Ref) then
-               loop
-                  if Nkind (Obj_Ref) in
-                       N_Type_Conversion |
-                       N_Unchecked_Type_Conversion |
-                       N_Qualified_Expression
-                  then
-                     Obj_Ref := Expression (Obj_Ref);
-                  else
-                     exit;
-                  end if;
-               end loop;
-
-               return Is_Object_Reference (Obj_Ref);
-            end if;
-
-            return False;
+            return Comes_From_Source (Obj_Ref)
+              and then Is_Object_Reference (Unqual_Conv (Obj_Ref));
          end Is_OK_Object_Reference;
 
       --  Start of processing for Substitute_Valid_Test
-- 
2.40.0

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