fix compilation warnings causing build failures (-Werror) (#1889)

src/include/migraphx/value.hpp

@@ -32,6 +32,7 @@
 #include <algorithm>
 #include <cassert>
 #include <memory>
+#include <cstdint>
 #include <sstream>
 #include <type_traits>
 #include <tuple>

test/api/test_c_op_construct.c

@@ -30,7 +30,7 @@ void expect_equal(const char* x, const char* y)
         abort();
 }
 
-int main()
+int main(void)
 {
     char name[1024];
     migraphx_operation_t op;

test/eval_test.cpp

@@ -461,7 +461,7 @@ TEST_CASE(eval_context1)
     mm->add_instruction(sum_op{}, one, two);
     p.compile(t);
     EXPECT(is_shared(t.ctx, p.get_context()));
-    p.eval({}).back();
+    std::ignore = p.eval({}).back();
     EXPECT(is_shared(t.ctx, p.get_context()));
 }
 
@@ -476,7 +476,7 @@ TEST_CASE(eval_context2)
     mm->add_instruction(id_ctx_op{}, one, two);
     p.compile(t);
     EXPECT(is_shared(t.ctx, p.get_context()));
-    p.eval({}).back();
+    std::ignore = p.eval({}).back();
     // id_ctx_op will modify the context
     EXPECT(not is_shared(t.ctx, p.get_context()));
 }
@@ -494,7 +494,7 @@ TEST_CASE(eval_context3)
     // Finalizer will modify the context
     EXPECT(not is_shared(t.ctx, p.get_context()));
     auto ctx    = p.get_context();
-    p.eval({}).back();
+    std::ignore = p.eval({}).back();
     EXPECT(is_shared(ctx, p.get_context()));
     EXPECT(not is_shared(t.ctx, p.get_context()));
 }

test/ref_ops_test.cpp

@@ -7536,7 +7536,7 @@ TEST_CASE(select_module_not_found_error)
     migraphx::parameter_map params;
     migraphx::shape input_fixed_shape{migraphx::shape::float_type, {5, 2, 2}};
     params["data"] = migraphx::argument(input_fixed_shape, input_data.data());
-    EXPECT(test::throws([&] { p.eval(params).back(); }));
+    EXPECT(test::throws([&] { std::ignore = p.eval(params).back(); }));
 }
 
 TEST_CASE(scatternd_reduction_dyn_test)

test/verify/run_verify.cpp

@@ -49,7 +49,7 @@ std::future<typename std::result_of<Function()>::type> detach_async(Function&& f
 {
     if(parallel)
     {
-        using result_type = typename std::result_of<Function()>::type;
+        using result_type = typename std::invoke_result<Function>::type;
         std::packaged_task<result_type()> task(std::forward<Function>(f));
         auto fut = task.get_future();
         std::thread(std::move(task)).detach();