[K/N] Replace thread_local with THREAD_LOCAL_VARIABLE

For some reason using C++'s thread_local modifier
causes crashes during TLS access on runtime initialization
Kotlin dlls on Windows. This patch replaces the thread_local
modifier with __thread which doesn't have this problem

kotlin-native/runtime/src/main/cpp/AllocTest.cpp

@@ -18,7 +18,7 @@ class A : public KonanAllocatorAware {
 public:
     using DestructorHook = testing::StrictMock<testing::MockFunction<void(int)>>;
 
-    static thread_local DestructorHook* destructorHook;
+    static THREAD_LOCAL_VARIABLE DestructorHook* destructorHook;
 
     explicit A(int value = -1) : value_(value) {}
 
@@ -33,7 +33,7 @@ private:
 };
 
 // static
-thread_local A::DestructorHook* A::destructorHook = nullptr;
+THREAD_LOCAL_VARIABLE A::DestructorHook* A::destructorHook = nullptr;
 
 struct B {
     explicit B(int value) : a(value) {}

kotlin-native/runtime/src/mm/cpp/ThreadRegistry.cpp

@@ -40,4 +40,4 @@ mm::ThreadRegistry::ThreadRegistry() = default;
 mm::ThreadRegistry::~ThreadRegistry() = default;
 
 // static
-thread_local mm::ThreadRegistry::Node* mm::ThreadRegistry::currentThreadDataNode_ = nullptr;
+THREAD_LOCAL_VARIABLE mm::ThreadRegistry::Node* mm::ThreadRegistry::currentThreadDataNode_ = nullptr;

kotlin-native/runtime/src/mm/cpp/ThreadRegistry.hpp

@@ -8,6 +8,7 @@
 
 #include <pthread.h>
 
+#include "Common.h"
 #include "SingleLockList.hpp"
 #include "Utils.hpp"
 
@@ -48,7 +49,7 @@ private:
     ThreadRegistry();
     ~ThreadRegistry();
 
-    static thread_local Node* currentThreadDataNode_;
+    static THREAD_LOCAL_VARIABLE Node* currentThreadDataNode_;
 
     SingleLockList<ThreadData> list_;
 };