* gcc-interface/misc.c (gnat_post_options): Clear warn_return_type.

From-SVN: r254459

gcc/ada/ChangeLog

+2017-11-06  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/misc.c (gnat_post_options): Clear warn_return_type.
+
 2017-10-31  Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR ada/82785

gcc/ada/gcc-interface/misc.c

@@ -262,6 +262,9 @@ gnat_post_options (const char **pfilename ATTRIBUTE_UNUSED)
   /* No psABI change warnings for Ada.  */
   warn_psabi = 0;
 
+  /* No return type warnings for Ada.  */
+  warn_return_type = 0;
+
   /* No caret by default for Ada.  */
   if (!global_options_set.x_flag_diagnostics_show_caret)
     global_dc->show_caret = false;