From: Piotr Trojanek <trojanek@adacore.com>
Date: Wed, 10 Jan 2024 17:48:04 +0000 (+0100)
Subject: ada: Fix calculation of tasks in null arrays
X-Git-Tag: basepoints/gcc-16~9286
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cb478e0a6f3a296e1c234a85fc0d45d633a0ff93;p=thirdparty%2Fgcc.git

ada: Fix calculation of tasks in null arrays

Fix handling of null arrays when calculating the secondary stack size
for the binder.

gcc/ada/

	* sem_util.adb (Number_Of_Elements_In_Array): Fix counting of
	elements in null arrays; remove redundant parenthesis; avoid
	run-time conversion of 1 to universal integer.
---

diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index bee078e6df5..5f44b4c26fe 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -25404,7 +25404,8 @@ package body Sem_Util is
             return 0;
          else
             Num :=
-              Num * UI_To_Int ((Expr_Value (High) - Expr_Value (Low) + 1));
+              Num * Int'Max
+                (0, UI_To_Int (Expr_Value (High) - Expr_Value (Low) + Uint_1));
          end if;
 
          Next_Index (Indx);