diff options
Diffstat (limited to 'lib/compiler/src/sys_core_fold.erl')
| -rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index f4f5c3f361..ed8f609082 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -1229,6 +1229,11 @@ is_non_numeric([H|T]) -> is_non_numeric(H) andalso is_non_numeric(T); is_non_numeric(Tuple) when is_tuple(Tuple) -> is_non_numeric_tuple(Tuple, tuple_size(Tuple)); +is_non_numeric(Map) when is_map(Map) -> + %% Note that 17.x and 18.x compare keys in different ways. + %% Be very conservative -- require that both keys and values + %% are non-numeric. + is_non_numeric(maps:to_list(Map)); is_non_numeric(Num) when is_number(Num) -> false; is_non_numeric(_) -> true. |