From 71b3bbb7698b13b42c99a4ca66c27db4a6189ff8 Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Sat, 1 Aug 2026 16:05:51 +0200
Subject: Enforce integral values in slice ranges

---
 gcc/gcc/elna-tree.cc | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'gcc')

diff --git a/gcc/gcc/elna-tree.cc b/gcc/gcc/elna-tree.cc
index 55e359b..6aaf6f9 100644
--- a/gcc/gcc/elna-tree.cc
+++ b/gcc/gcc/elna-tree.cc
@@ -289,11 +289,19 @@ namespace elna::gcc
 
             if (literal_value.is_signed())
             {
-                return build_int_cst(elna_int_type_node, literal_value.to<std::int32_t>());
+                if (auto converted = literal_value.to_signed())
+                {
+                    return build_int_cst(elna_int_type_node, *converted);
+                }
+                return NULL_TREE;
             }
             else
             {
-                return build_int_cstu(elna_word_type_node, literal_value.to<std::uint32_t>());
+                if (auto converted = literal_value.to_unsigned())
+                {
+                    return build_int_cstu(elna_word_type_node, *converted);
+                }
+                return NULL_TREE;
             }
         }
         else if (std::holds_alternative<double>(constant_value))
-- 
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