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From: "Marc Poulhiès" <poulhies@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Yannick Moy <moy@adacore.com>
Subject: [COMMITTED] ada: Add intermediate assertions for proof of Super_Tail
Date: Tue, 16 May 2023 10:39:40 +0200	[thread overview]
Message-ID: <20230516083940.1500958-1-poulhies@adacore.com> (raw)

From: Yannick Moy <moy@adacore.com>

Proof of Superbounded internal unit requires a little more help.

gcc/ada/

	* libgnat/a-strsup.adb: Add intermediate assertions.

Tested on x86_64-pc-linux-gnu, committed on master.

---
 gcc/ada/libgnat/a-strsup.adb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gcc/ada/libgnat/a-strsup.adb b/gcc/ada/libgnat/a-strsup.adb
index 25a843153f2..c727575ee6b 100644
--- a/gcc/ada/libgnat/a-strsup.adb
+++ b/gcc/ada/libgnat/a-strsup.adb
@@ -1788,6 +1788,12 @@ package body Ada.Strings.Superbounded with SPARK_Mode is
                   Source.Data (1 .. Npad) := [others => Pad];
                   Source.Data (Npad + 1 .. Max_Length) :=
                     Temp (1 .. Max_Length - Npad);
+
+                  pragma Assert
+                    (Source.Data (1 .. Npad) = [1 .. Npad => Pad]);
+                  pragma Assert
+                    (Source.Data (Npad + 1 .. Max_Length)
+                     = Temp (1 .. Max_Length - Npad));
                end if;
 
             when Strings.Left =>
-- 
2.40.0


                 reply	other threads:[~2023-05-16  8:39 UTC|newest]

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