Allow the case `MRB_32BIT` and `MRB_NO_BOXING` and `MRB_USE_FLOAT32`;
@@ -21,7 +21,7 @@ typedef struct mrb_shared_array {
mrb_value *ptr;
} mrb_shared_array;
-#if defined(MRB_32BIT) && defined(MRB_NO_BOXING)
+#if defined(MRB_32BIT) && defined(MRB_NO_BOXING) && !defined(MRB_USE_FLOAT32)
# define MRB_ARY_NO_EMBED
# define MRB_ARY_EMBED_LEN_MAX 0
#else
