Various fixes to address issues flagged by gcc / non-UE toolchain build (#621)

* gcc: avoid using memset on nontrivial struct
* redundant `return std::move`
* fixed various compilation issues flagged by gcc
* fix issue in xmake.lua detecting whether we are building with the UE toolchain or not
* add GCC ignore -Wundef (comment is inaccurate)
* remove redundant std::move
* don't catch exceptions by value
* unreferenced variables
* initialize "by the book" instead of memset
* remove unused exception reference
* add #include <cstring> to fix gcc build
* explicitly poulate KeyValueMap by traversing input spans fixes gcc compilation
* remove unreferenced variable
* eliminate redundant `std::move` which gcc complains about
* fix gcc compilation by including <cstring>
* tag unreferenced variable to fix gcc compilation
* fixes for various cases of naming members the same as their type

1 files changed, 1 insertions, 1 deletions

diff --git a/src/zencore/compactbinaryutil.cpp b/src/zencore/compactbinaryutil.cpp
index 074bdaffd..d9703bf1a 100644
--- a/src/zencore/compactbinaryutil.cpp
+++ b/src/zencore/compactbinaryutil.cpp
@@ -14,7 +14,7 @@ ValidateAndReadCompactBinaryObject(const SharedBuffer&& Payload, CbValidateError
 	{
 		if (OutError = ValidateCompactBinary(Payload.GetView(), CbValidateMode::Default); OutError == CbValidateError::None)
 		{
-			CbObject Object(std::move(Payload));
+			CbObject Object(Payload);
 			if (Object.GetView().GetSize() != Payload.GetSize())
 			{
 				OutError |= CbValidateError::OutOfBounds;