Enforce integral values in slice ranges

1 files changed, 10 insertions, 2 deletions

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))