From: Ed Schonberg Date: Thu, 29 May 2008 08:55:46 +0000 (+0200) Subject: sem_ch6.adb (Analyze_Subprogram_Specification): if the return type is abstract... X-Git-Tag: releases/gcc-4.4.0~4507 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fe63b1b12c7ac3e7e43afa5201c8cc7b4763d48c;p=thirdparty%2Fgcc.git sem_ch6.adb (Analyze_Subprogram_Specification): if the return type is abstract... 2008-05-29 Ed Schonberg * sem_ch6.adb (Analyze_Subprogram_Specification): if the return type is abstract, do not apply abstractness check on subprogram if this is a renaming declaration. From-SVN: r136148 --- diff --git a/gcc/ada/sem_ch6.adb b/gcc/ada/sem_ch6.adb index f376e955b37c..640a20d0a54c 100644 --- a/gcc/ada/sem_ch6.adb +++ b/gcc/ada/sem_ch6.adb @@ -2496,21 +2496,19 @@ package body Sem_Ch6 is May_Need_Actuals (Designator); - -- Ada 2005 (AI-251): In case of primitives associated with abstract - -- interface types the following error message will be reported later - -- (see Analyze_Subprogram_Declaration). + -- Ada 2005 (AI-251): If the return type is abstract, verify that + -- the subprogram is abstract also. This does not apply to renaming + -- declarations, where abstractness is inherited. + -- In case of primitives associated with abstract interface types + -- the check is applied later (see Analyze_Subprogram_Declaration). if Is_Abstract_Type (Etype (Designator)) and then not Is_Interface (Etype (Designator)) + and then Nkind (Parent (N)) /= N_Subprogram_Renaming_Declaration and then Nkind (Parent (N)) /= N_Abstract_Subprogram_Declaration and then (Nkind (Parent (N))) /= N_Formal_Abstract_Subprogram_Declaration - and then - (Nkind (Parent (N)) /= N_Subprogram_Renaming_Declaration - or else not Is_Entity_Name (Name (Parent (N))) - or else not Is_Abstract_Subprogram - (Entity (Name (Parent (N))))) then Error_Msg_N ("function that returns abstract type must be abstract", N);