Clear "redundant move" warning when build LLVM (#1697)

Clear warnings like below when building LLVM JIT and wamrc:
  llvm-project/llvm/include/llvm/ExecutionEngine/Orc/IndirectionUtils.h:73:25:
  warning: redundant move in return statement [-Wredundant-move]
  73 |         return std::move(Err);

build-scripts/config_common.cmake

@@ -105,6 +105,15 @@ if (WAMR_BUILD_JIT EQUAL 1)
   add_definitions(${LLVM_DEFINITIONS})
   message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
   message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
+
+  # Disable -Wredundant-move when building LLVM JIT
+  include(CheckCXXCompilerFlag)
+  if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+    check_cxx_compiler_flag("-Wredundant-move" CXX_SUPPORTS_REDUNDANT_MOVE_FLAG)
+    if (CXX_SUPPORTS_REDUNDANT_MOVE_FLAG)
+      set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-redundant-move")
+    endif ()
+  endif ()
 else ()
   unset (LLVM_AVAILABLE_LIBS)
 endif ()