columnstore warnings with gcc 12.x and 13.x

storage/columnstore/CMakeLists.txt

@@ -9,6 +9,18 @@ IF(NOT PLUGIN_PERFSCHEMA STREQUAL NO)
   add_definitions(-DHAVE_PSI_INTERFACE=)
 ENDIF()
 
+# new gcc is quite buggy re. spurious warnings. let's shut it up
+IF(CMAKE_COMPILER_IS_GNUCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "12.0.0")
+  # 12
+  MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-error=restrict")
+  MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-error=use-after-free")
+  # 13
+  MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-error=maybe-uninitialized")
+  MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-error=dangling-reference")
+  MY_CHECK_AND_SET_COMPILER_FLAG("-Wno-error=dangling-pointer")
+ENDIF()
+MY_CHECK_AND_SET_COMPILER_FLAG("-fno-strict-aliasing")
+SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--as-needed")
 
 # this does everything, gets the var from the correct scope, appends new
 # values, sets in the correct scope