Remove remaining osx compiler warnings (#2925)

* Fix clang compiler warnings

* Remove unintended file.

* style

* Not part of PR

* Another extra closure ref

* More warnings from merges

* Lambda arg was used

* Remove remaining osx compiler warnings

* style

* Try to avoid compiler warning

* Same for the other test

test/autodiff.in.cpp

@@ -1691,14 +1691,13 @@ NGRAPH_TEST(${BACKEND_NAME}, backwards_batch_norm_training)
     const Shape input_shape{10, 4, 5, 5};
     const Shape channel_shape{input_shape.at(1)};
     const double eps = 1e-3;
-    const element::Type& et = element::f32;
-    using T = float;
 
     // Need to keep the output elements for mean and variance from going out of scope
     // and getting freed.
     NodeVector goes;
 
-    auto make_graph = [&input_shape, &channel_shape, &eps, &et, &goes] {
+    auto make_graph = [&input_shape, &channel_shape, &eps, &goes] {
+        const element::Type& et = element::f32;
         auto input = make_shared<op::Parameter>(et, input_shape);
         auto gamma = make_shared<op::Parameter>(et, channel_shape);
         auto beta = make_shared<op::Parameter>(et, channel_shape);
@@ -1715,6 +1714,7 @@ NGRAPH_TEST(${BACKEND_NAME}, backwards_batch_norm_training)
     };
 
     auto backend = runtime::Backend::create("${BACKEND_NAME}");
+    using T = float;
     test::Uniform<T> rng(-5.0, 2.0);
     auto input = rng.initialize(backend->create_tensor<T>(input_shape));
     auto gamma = rng.initialize(backend->create_tensor<T>(channel_shape));

test/cpu_debugger.cpp

@@ -340,11 +340,11 @@ TEST(tracer, count_tracepoint)
 
     ngraph::runtime::cpu::CPU_Debugger dbg(*cf);
 
-    const size_t num_iterations = 10;
-    const size_t offset = 5;
+    size_t num_iterations = 10;
+    size_t offset = 5;
 
     std::function<void(void**, const std::string&)> callback =
-        [num_iterations, offset](void** values, const std::string& name) {
+        [&num_iterations, offset](void** values, const std::string& name) {
             ASSERT_EQ(static_cast<int*>(values[0])[0], num_iterations - 1 + offset);
         };
 
@@ -381,11 +381,11 @@ TEST(tracer, conditional_tracepoint)
 
     ngraph::runtime::cpu::CPU_Debugger dbg(*cf);
 
-    const size_t num_iterations = 10;
-    const size_t offset = 5;
+    size_t num_iterations = 10;
+    size_t offset = 5;
     int countdown = num_iterations;
 
-    auto add_tracer = [offset, &countdown, num_iterations](void** values, const std::string& name) {
+    auto add_tracer = [&countdown, num_iterations, offset](void** values, const std::string& name) {
         if (countdown-- == 0)
         {
             ASSERT_EQ(static_cast<int*>(values[0])[0], num_iterations - 1 + offset);