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-rw-r--r--lib/compiler/test/core_fold_SUITE.erl17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/compiler/test/core_fold_SUITE.erl b/lib/compiler/test/core_fold_SUITE.erl
index 2a2369fff9..aa357dbc9c 100644
--- a/lib/compiler/test/core_fold_SUITE.erl
+++ b/lib/compiler/test/core_fold_SUITE.erl
@@ -278,6 +278,8 @@ coverage(Config) when is_list(Config) ->
a = cover_remove_non_vars_alias({a,b,c}),
error = cover_will_match_lit_list(),
{ok,[a]} = cover_is_safe_bool_expr(a),
+ false = cover_is_safe_bool_expr2(a),
+ ok = cover_eval_is_function(fun id/1),
ok = cover_opt_guard_try(#cover_opt_guard_try{list=[a]}),
error = cover_opt_guard_try(#cover_opt_guard_try{list=[]}),
@@ -341,6 +343,15 @@ cover_is_safe_bool_expr(X) ->
false
end.
+cover_is_safe_bool_expr2(X) ->
+ try
+ V = [X],
+ is_function(V, 1)
+ catch
+ _:_ ->
+ false
+ end.
+
cover_opt_guard_try(Msg) ->
if
length(Msg#cover_opt_guard_try.list) =/= 1 ->
@@ -349,6 +360,12 @@ cover_opt_guard_try(Msg) ->
ok
end.
+cover_eval_is_function(X) ->
+ case X of
+ {a,_} -> is_function(X);
+ _ -> ok
+ end.
+
bsm_an_inlined(<<_:8>>, _) -> ok;
bsm_an_inlined(_, _) -> error.