Minor fixes for compatibility with C++14

What's Changed

• Add explicit empty template argument list to support C++14 by @mrkita in https://github.com/electronicarts/EASTL/pull/586
• Replace use of 'if constexpr' with compiler trait macro EA_CONSTEXPR_IF by @mrkita in https://github.com/electronicarts/EASTL/pull/588
• Replace direct inline variable delcaration with compiler trait protected...

Changes

• Fixed false positives for TSAN in shared_ptr's ref counting when releasing the last count.
• Add eastl::atomic_raw_X which provides an API similar to that of eastl::atomic<T> but which can operate on non-atomic variables. This can be used as a last resort in situations where we're interested in specifying memory order semantics but cannot change the type of the variable to `...

Changes

• Removed use of sumbodules to break circular dependencies, use CMake's FetchContent instead.
• Removed generic definition of numeric_limits<>
• Removed EASTL_CUSTOM_FLOAT_CONSTANTS_REQUIRED & associated functionality
• Removed Internal::numeric_limits_base
• Added isnan to EASTL when compiled with C++20
• Added is_constant_evaluated
• Fixed midpoint to behave co...

This version of EASTL contains a number of improvements, including many bug fixes found through the use of undefined behaviour sanitizer (UBSan), as well as a swathe of deprecations.

Changes:

• Add return type / value for some deque::insert() overloads that were missing a return.
• Make deque::insert(position, first, last) compilable for input (single pass) iterators.
• Fix issues com...

Welcome to the 3.18.00 release of EASTL. Thank you to everyone who's contributed to this release.

Feature additions and standard updates:

• Implemented eastl::bit_cast.
• Implemented eastl::is_nothrow_invocable.
• Implemented eastl::to_underlying.
• Implemented LWG defect 2106: move_iterator doesn't work with iterators which don't return a reference

Bugfixes:

• eastl::invoke fixes:...