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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-module(beam_jump_SUITE).
-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
init_per_group/2,end_per_group/2,
undefined_label/1,ambiguous_catch_try_state/1]).
suite() ->
[{ct_hooks,[ts_install_cth]}].
all() ->
test_lib:recompile(?MODULE),
[{group,p}].
groups() ->
[{p,[parallel],
[undefined_label,
ambiguous_catch_try_state
]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
undefined_label(_Config) ->
{'EXIT',{function_clause,_}} = (catch flights(0, [], [])),
ok.
%% Would lose a label when compiled with no_copt.
flights(0, [], []) when [], 0; 0.0, [], false ->
clark;
flights(_, Reproduction, introduction) when false, Reproduction ->
responsible.
%% [ERL-209] beam_jump would share 'catch' blocks, causing an
%% ambiguous_catch_try_state error in beam_validator.
ambiguous_catch_try_state(_Config) ->
{{'EXIT',{{case_clause,song},_}},{'EXIT',{{case_clause,song},_}}} =
checks(42),
ok.
river() -> song.
checks(Wanted) ->
%% Must be one line to cause the unsafe optimization.
{catch case river() of sheet -> begin +Wanted, if "da" -> Wanted end end end, catch case river() of sheet -> begin + Wanted, if "da" -> Wanted end end end}.
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