[glib/gobject-speedup2] Simplify g_object_new_with_properties

[Matthias Clasen <matthiasc src gnome org>]

commit 0b87adbcb9f5a67fca744c1a3600d2e05ecf8a9d
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Sep 29 00:18:51 2021 -0400

    Simplify g_object_new_with_properties
    
    This function was doing an unnecessary extra
    copy of the GValues. We can avoid that.

 gobject/gobject.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)
---
diff --git a/gobject/gobject.c b/gobject/gobject.c
index 4b437be15f..07ae97edf4 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -2209,18 +2209,10 @@ g_object_new_with_properties (GType          object_type,
           if (!g_object_new_is_valid_property (object_type, pspec, names[i], params, count))
             continue;
           params[count].pspec = pspec;
-
-          /* Init GValue */
-          params[count].value = g_newa0 (GValue, 1);
-          g_value_init (params[count].value, G_VALUE_TYPE (&values[i]));
-
-          g_value_copy (&values[i], params[count].value);
+          params[count].value = (GValue *)&values[i];
           count++;
         }
       object = g_object_new_internal (class, params, count);
-
-      while (count--)
-        g_value_unset (params[count].value);
     }
   else
     object = g_object_new_internal (class, NULL, 0);