Fix build error with LLVM 16 (#2259)

core/iwasm/compilation/aot_llvm_extra.cpp

@@ -5,6 +5,8 @@
 
 #include <llvm/Passes/StandardInstrumentations.h>
 #include <llvm/Support/Error.h>
+#include <llvm/ADT/None.h>
+#include <llvm/ADT/Optional.h>
 #include <llvm/ADT/SmallVector.h>
 #include <llvm/ADT/Twine.h>
 #include <llvm/ADT/Triple.h>

core/iwasm/compilation/aot_llvm_extra2.cpp

@@ -4,6 +4,8 @@
  */
 
 #include <llvm-c/TargetMachine.h>
+#include <llvm/ADT/None.h>
+#include <llvm/ADT/Optional.h>
 #if LLVM_VERSION_MAJOR >= 14
 #include <llvm/MC/TargetRegistry.h>
 #else

core/iwasm/compilation/aot_orc_extra.cpp

@@ -8,6 +8,8 @@
 #include "llvm-c/OrcEE.h"
 #include "llvm-c/TargetMachine.h"
 
+#include "llvm/ADT/None.h"
+#include "llvm/ADT/Optional.h"
 #include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
 #include "llvm/ExecutionEngine/Orc/LLJIT.h"
 #include "llvm/ExecutionEngine/Orc/ObjectTransformLayer.h"

core/iwasm/libraries/wasi-nn/test/CMakeLists.txt

@@ -8,7 +8,7 @@ project (iwasm)
 set (CMAKE_VERBOSE_MAKEFILE OFF)
 # Reset default linker flags
 set (CMAKE_C_STANDARD 99)
-set (CMAKE_CXX_STANDARD 14)
+set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
 set (CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")