From: Ghjuvan Lacambre <lacambre@adacore.com>
Date: Mon, 2 Mar 2020 11:41:52 +0000 (+0100)
Subject: [Ada] Reject illegal bodies for null procedures
X-Git-Tag: basepoints/gcc-12~7107
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71c4a2b35600a1177542b293cf075d6cf6d4dae4;p=thirdparty%2Fgcc.git

[Ada] Reject illegal bodies for null procedures

2020-06-10  Ghjuvan Lacambre  <lacambre@adacore.com>

gcc/ada/

	* par-ch6.adb (P_Subprogram): Reject duplicate subprogram
	declarations.
---

diff --git a/gcc/ada/par-ch6.adb b/gcc/ada/par-ch6.adb
index 2cc3f08f94a2..a43d6735668e 100644
--- a/gcc/ada/par-ch6.adb
+++ b/gcc/ada/par-ch6.adb
@@ -959,6 +959,13 @@ package body Ch6 is
          --  the collected aspects, if any, to the body.
 
          if Token = Tok_Is then
+
+            --  If the subprogram declaration already has a specification, we
+            --  can't define another.
+            if Null_Present (Specification (Decl_Node)) then
+               Error_Msg_AP ("null procedure cannot have a body");
+            end if;
+
             Scan;
             goto Subprogram_Body;