From 08f859b460b71eef76a345192c1e658e389613ac Mon Sep 17 00:00:00 2001
From: Illia Silin <98187287+illsilin@users.noreply.github.com>
Date: Thu, 24 Apr 2025 10:14:52 -0700
Subject: [PATCH] make code compliant with std=c++20 (#2123)

[ROCm/composable_kernel commit: 01cb8379cd9b7ce401085e60b39abde50e7dc734]
---
 include/ck/library/utility/fill.hpp        | 4 ++--
 include/ck/library/utility/host_tensor.hpp | 2 +-
 include/ck_tile/host/fill.hpp              | 6 +++---
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/include/ck/library/utility/fill.hpp b/include/ck/library/utility/fill.hpp
index 3336041354..35625d142e 100644
--- a/include/ck/library/utility/fill.hpp
+++ b/include/ck/library/utility/fill.hpp
@@ -94,7 +94,7 @@ struct FillMonotonicSeq
     template <typename ForwardIter>
     void operator()(ForwardIter first, ForwardIter last) const
     {
-        std::generate(first, last, [=, n = init_value_]() mutable {
+        std::generate(first, last, [=, *this, n = init_value_]() mutable {
             auto tmp = n;
             n += step_;
             return tmp;
@@ -150,7 +150,7 @@ struct TransformIntoStructuralSparsity
     template <typename ForwardIter>
     void operator()(ForwardIter first, ForwardIter last) const
     {
-        std::for_each(first, last, [=, idx = 0](T& elem) mutable {
+        std::for_each(first, last, [=, *this, idx = 0](T& elem) mutable {
             auto tmp_idx = idx;
             idx += 1;
             return elem *= valid_sequences[tmp_idx % (sizeof(valid_sequences) / sizeof(T))];
diff --git a/include/ck/library/utility/host_tensor.hpp b/include/ck/library/utility/host_tensor.hpp
index edf58b20b4..2cbca29afc 100644
--- a/include/ck/library/utility/host_tensor.hpp
+++ b/include/ck/library/utility/host_tensor.hpp
@@ -252,7 +252,7 @@ struct ParallelTensorFunctor
             std::size_t iw_begin = it * work_per_thread;
             std::size_t iw_end   = std::min((it + 1) * work_per_thread, mN1d);
 
-            auto f = [=] {
+            auto f = [=, *this] {
                 for(std::size_t iw = iw_begin; iw < iw_end; ++iw)
                 {
                     call_f_unpack_args(mF, GetNdIndices(iw));
diff --git a/include/ck_tile/host/fill.hpp b/include/ck_tile/host/fill.hpp
index d90c0cf6cf..3f64eb28cd 100644
--- a/include/ck_tile/host/fill.hpp
+++ b/include/ck_tile/host/fill.hpp
@@ -280,7 +280,7 @@ struct FillMonotonicSeq
     template <typename ForwardIter>
     void operator()(ForwardIter first, ForwardIter last) const
     {
-        std::generate(first, last, [=, n = init_value_]() mutable {
+        std::generate(first, last, [=, *this, n = init_value_]() mutable {
             auto tmp = n;
             if constexpr(std::is_same_v<decltype(tmp), pk_int4_t>)
             {
@@ -315,7 +315,7 @@ struct FillStepRange
     template <typename ForwardIter>
     void operator()(ForwardIter first, ForwardIter last) const
     {
-        std::generate(first, last, [=, n = start_value_]() mutable {
+        std::generate(first, last, [=, *this, n = start_value_]() mutable {
             auto tmp = n;
             n += step_;
             if constexpr(IsAscending)
@@ -388,7 +388,7 @@ struct AdjustToStructuredSparsity
     template <typename ForwardIter>
     void operator()(ForwardIter first, ForwardIter last) const
     {
-        std::transform(first, last, first, [=, index = start](T val) mutable {
+        std::transform(first, last, first, [=, *this, index = start](T val) mutable {
             auto tmp = val * masks[index % (sizeof(masks) / sizeof(int32_t))];
             index += 1;