Attempting another GCC workaround

Author: zajo

include/boost/leaf/detail/demangle.hpp

@@ -236,20 +236,17 @@ namespace n
 
         if( std::size_t const p = sizeof(char[1 + !!s01 * (p01 + p02 + p03 + p04 + p05 + p06 + p07 + p08 + p09 + p10 + p11 + p12)]) - 1 )
         {
-            using begin = char[1 + p];
-            using end = char[1 + s01];
-            return { BOOST_LEAF_PRETTY_FUNCTION + p, s01 - p, detail::compute_hash(begin{}, end{}, BOOST_LEAF_PRETTY_FUNCTION) };
+            char begin[1 + p], end[1 + s01];
+            return { BOOST_LEAF_PRETTY_FUNCTION + p, s01 - p, detail::compute_hash(begin, end, BOOST_LEAF_PRETTY_FUNCTION) };
         }
         if( std::size_t const p = sizeof(char[1 + !!s02 * (p13 + p14 + p15 + p16 + p17 + p18 + p19 + p20 + p21)]) - 1 )
         {
-            using begin = char[1 + p];
-            using end = char[1 + s02];
-            return { BOOST_LEAF_PRETTY_FUNCTION + p, s02 - p, detail::compute_hash(begin{}, end{}, BOOST_LEAF_PRETTY_FUNCTION) };
+            char begin[1 + p], end[1 + s02];
+            return { BOOST_LEAF_PRETTY_FUNCTION + p, s02 - p, detail::compute_hash(begin, end, BOOST_LEAF_PRETTY_FUNCTION) };
         }
         std::size_t const p = sizeof(char[1 + !!s02 * (p22 + p23 + p24)]) - 1;
-        using begin = char[1 + p];
-        using end = char[1 + s02];
-        return { BOOST_LEAF_PRETTY_FUNCTION + p, s02 - p, detail::compute_hash(begin{}, end{}, BOOST_LEAF_PRETTY_FUNCTION) };
+        char begin[1 + p], end[1 + s02];
+        return { BOOST_LEAF_PRETTY_FUNCTION + p, s02 - p, detail::compute_hash(begin, end, BOOST_LEAF_PRETTY_FUNCTION) };
     }
 } // namespace n