Fix issue with LTO bootstrap

gcc/ada/ChangeLog
	PR ada/95333
	* gcc-interface/decl.c (gnat_to_gnu_param): Never make a variant of
	the type.

diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
index 94ea05d..38c73cb 100644 (file)
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -5408,15 +5408,6 @@ gnat_to_gnu_param (Entity_Id gnat_param, tree gnu_param_type, bool first,
        gnu_param_type = unpadded_type;
     }
 
-  /* If this is a read-only parameter, make a variant of the type that is
-     read-only, except in LTO mode because free_lang_data_in_type would
-     undo it.  ??? However, if this is a self-referential type, the type
-     can be very complex, so skip it for now.  */
-  if (ro_param
-      && !flag_generate_lto
-      && !CONTAINS_PLACEHOLDER_P (TYPE_SIZE (gnu_param_type)))
-    gnu_param_type = change_qualified_type (gnu_param_type, TYPE_QUAL_CONST);
-
   /* For foreign conventions, pass arrays as pointers to the element type.
      First check for unconstrained array and get the underlying array.  */
   if (foreign && TREE_CODE (gnu_param_type) == UNCONSTRAINED_ARRAY_TYPE)