Merge pull request #29139 from asmorkalov:as/mlas_old_gcc

Fixed MLAS build with older versions of GCC.

modules/dnn/src/graph_fusion_attention.cpp

@@ -335,7 +335,8 @@ struct ModelFusionAttention
         bool modified = false;
         std::set<int> removed_ops;
 
-        for (auto& [inp_idx, matmul_indices] : qkv_candidates) {
+        for (auto& candidate : qkv_candidates) {
+            auto matmul_indices = candidate.second;
             if (matmul_indices.size() < 3) continue;
 
             for (size_t qi = 0; qi + 2 < matmul_indices.size(); qi++)

modules/dnn/src/graph_fusion_shared_gemm.cpp

@@ -147,7 +147,8 @@ struct ModelFusionSharedGemm
         std::set<int> removed_ops;
         vector<std::pair<int, vector<Ptr<Layer>>>> insertions;  // (insert_pos, fused-and-slice layers)
 
-        for (auto& [key, infos] : groups) {
+        for (auto& group : groups) {
+            auto infos = group.second;
             if (infos.size() < 2) continue;
 
             bool all_have_bias = infos[0].has_bias;