[K/N] Crash with OOM on large array allocations ^KT-54659

Merge-request: KT-MR-7507
Merged-by: Alexander Shabalin <Alexander.Shabalin@jetbrains.com>

kotlin-native/runtime/src/main/cpp/Alignment.hpp

@@ -13,7 +13,8 @@ namespace kotlin {
 
 constexpr size_t kObjectAlignment = 8;
 
-constexpr inline size_t AlignUp(size_t size, size_t alignment) {
+template <typename T>
+constexpr T AlignUp(T size, T alignment) {
     return (size + alignment - 1) & ~(alignment - 1);
 }
 

kotlin-native/runtime/src/main/cpp/std_support/Optional.hpp

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+#pragma once
+
 #if __has_include(<optional>)
 #include <optional>
 #elif __has_include(<experimental/optional>)
@@ -15,4 +17,4 @@ inline constexpr auto nullopt = std::experimental::nullopt;
 } // namespace std
 #else
 #error "No <optional>"
-#endif
+#endif