Log with sanitizers are enabled under CMake

This can help bring attention to the MSVC difference (no UBSan there)

CMakeLists.txt

@@ -33,6 +33,7 @@ if(MSVC)
   add_definitions(/D_CRT_SECURE_NO_WARNINGS)
 
   if(SANITIZERS)
+    message(STATUS "ASan enabled")
     set(SAN_FLAGS /fsanitize=address)
     add_compile_options(${SAN_FLAGS})
     add_link_options(${SAN_FLAGS})
@@ -45,6 +46,7 @@ else()
     add_compile_options(-Wno-gnu-zero-variadic-macro-arguments)
   endif()
   if(SANITIZERS)
+    message(STATUS "ASan and UBSan enabled")
     set(SAN_FLAGS -fsanitize=address -fsanitize=undefined
                   -fsanitize=float-divide-by-zero)
     add_compile_options(${SAN_FLAGS})