diff options
| -rw-r--r-- | lib/compiler/test/core_fold_SUITE.erl | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/compiler/test/core_fold_SUITE.erl b/lib/compiler/test/core_fold_SUITE.erl index ac14d36e82..fb5ec88c9f 100644 --- a/lib/compiler/test/core_fold_SUITE.erl +++ b/lib/compiler/test/core_fold_SUITE.erl @@ -214,6 +214,7 @@ coverage(Config) when is_list(Config) -> (catch cover_will_match_list_type({a,b,c,d})), ?line a = cover_remove_non_vars_alias({a,b,c}), ?line error = cover_will_match_lit_list(), + {ok,[a]} = cover_is_safe_bool_expr(a), %% Make sure that we don't attempt to make literals %% out of pids. (Putting a pid into a #c_literal{} @@ -249,4 +250,17 @@ cover_will_match_lit_list() -> error end. +cover_is_safe_bool_expr(X) -> + %% Use a try...catch that looks like a try...catch in a guard. + try + %% let V = [X] in {ok,V} + %% is_safe_simple([X]) ==> true + %% is_safe_bool_expr([X]) ==> false + V = [X], + {ok,V} + catch + _:_ -> + false + end. + id(I) -> I. |