aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/test
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/test')
-rw-r--r--lib/compiler/test/andor_SUITE.erl33
-rw-r--r--lib/compiler/test/beam_validator_SUITE.erl9
-rw-r--r--lib/compiler/test/beam_validator_SUITE_data/bad_bin_match.S15
-rw-r--r--lib/compiler/test/bs_bincomp_SUITE.erl43
-rw-r--r--lib/compiler/test/bs_construct_SUITE.erl2
-rw-r--r--lib/compiler/test/compilation_SUITE.erl16
-rw-r--r--lib/compiler/test/compile_SUITE.erl24
-rw-r--r--lib/compiler/test/compile_SUITE_data/key_compatibility.beambin0 -> 844 bytes
-rw-r--r--lib/compiler/test/compile_SUITE_data/key_compatibility.erl8
-rw-r--r--lib/compiler/test/core_fold_SUITE.erl2
-rw-r--r--lib/compiler/test/fun_SUITE.erl13
-rw-r--r--lib/compiler/test/guard_SUITE.erl8
-rw-r--r--lib/compiler/test/inline_SUITE.erl3
-rw-r--r--lib/compiler/test/inline_SUITE_data/fname.erl29
-rw-r--r--lib/compiler/test/receive_SUITE.erl34
-rw-r--r--lib/compiler/test/receive_SUITE_data/ref_opt/yes_14.S71
-rw-r--r--lib/compiler/test/receive_SUITE_data/ref_opt/yes_5.erl6
-rw-r--r--lib/compiler/test/warnings_SUITE.erl14
18 files changed, 263 insertions, 67 deletions
diff --git a/lib/compiler/test/andor_SUITE.erl b/lib/compiler/test/andor_SUITE.erl
index 0d00769704..4ffbe07e32 100644
--- a/lib/compiler/test/andor_SUITE.erl
+++ b/lib/compiler/test/andor_SUITE.erl
@@ -21,7 +21,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
t_case/1,t_and_or/1,t_andalso/1,t_orelse/1,inside/1,overlap/1,
- combined/1,in_case/1,before_and_inside_if/1]).
+ combined/1,in_case/1,before_and_inside_if/1,
+ slow_compilation/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -472,6 +473,36 @@ before_and_inside_if_2(XDo1, XDo2, Do3) ->
end,
{CH1,CH2}.
+
+-record(state, {stack = []}).
+
+slow_compilation(_) ->
+ %% The function slow_compilation_1 used to compile very slowly.
+ ok = slow_compilation_1({a}, #state{}).
+
+slow_compilation_1(T1, #state{stack = [T2|_]})
+ when element(1, T2) == a, element(1, T1) == b, element(1, T1) == c ->
+ ok;
+slow_compilation_1(T, _)
+ when element(1, T) == a1; element(1, T) == b1; element(1, T) == c1 ->
+ ok;
+slow_compilation_1(T, _)
+ when element(1, T) == a2; element(1, T) == b2; element(1, T) == c2 ->
+ ok;
+slow_compilation_1(T, _) when element(1, T) == a ->
+ ok;
+slow_compilation_1(T, _)
+ when
+ element(1, T) == a,
+ (element(1, T) == b) and (element(1, T) == c) ->
+ ok;
+slow_compilation_1(_, T) when element(1, T) == a ->
+ ok;
+slow_compilation_1(_, T) when element(1, T) == b ->
+ ok;
+slow_compilation_1(T, _) when element(1, T) == a ->
+ ok.
+
%% Utilities.
check(V1, V0) ->
diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl
index bc1a9e2b3b..626f89ba7a 100644
--- a/lib/compiler/test/beam_validator_SUITE.erl
+++ b/lib/compiler/test/beam_validator_SUITE.erl
@@ -28,7 +28,7 @@
overwrite_catchtag/1,overwrite_trytag/1,accessing_tags/1,bad_catch_try/1,
cons_guard/1,
freg_range/1,freg_uninit/1,freg_state/1,
- bin_match/1,bin_aligned/1,bad_dsetel/1,
+ bin_match/1,bad_bin_match/1,bin_aligned/1,bad_dsetel/1,
state_after_fault_in_catch/1,no_exception_in_catch/1,
undef_label/1,illegal_instruction/1,failing_gc_guard_bif/1]).
@@ -56,7 +56,7 @@ groups() ->
unsafe_catch,dead_code,mult_labels,
overwrite_catchtag,overwrite_trytag,accessing_tags,
bad_catch_try,cons_guard,freg_range,freg_uninit,
- freg_state,bin_match,bin_aligned,bad_dsetel,
+ freg_state,bin_match,bad_bin_match,bin_aligned,bad_dsetel,
state_after_fault_in_catch,no_exception_in_catch,
undef_label,illegal_instruction,failing_gc_guard_bif]}].
@@ -317,6 +317,11 @@ bin_match(Config) when is_list(Config) ->
{{t,x,1},{{bs_restore,1},16,{no_save_point,1}}}] = Errors,
ok.
+bad_bin_match(Config) when is_list(Config) ->
+ [{{t,t,1},{return,5,{match_context,{x,0}}}}] =
+ do_val(bad_bin_match, Config),
+ ok.
+
bin_aligned(Config) when is_list(Config) ->
Errors = do_val(bin_aligned, Config),
?line
diff --git a/lib/compiler/test/beam_validator_SUITE_data/bad_bin_match.S b/lib/compiler/test/beam_validator_SUITE_data/bad_bin_match.S
new file mode 100644
index 0000000000..a60ca1e89a
--- /dev/null
+++ b/lib/compiler/test/beam_validator_SUITE_data/bad_bin_match.S
@@ -0,0 +1,15 @@
+{module, bad_bin_match}. %% version = 0
+
+{exports, [{t,1}]}.
+
+{attributes, []}.
+
+{labels, 3}.
+
+
+{function, t, 1, 2}.
+ {label,1}.
+ {func_info,{atom,t},{atom,t},1}.
+ {label,2}.
+ {test,bs_start_match2,{f,1},1,[{x,0},0],{x,0}}.
+ return.
diff --git a/lib/compiler/test/bs_bincomp_SUITE.erl b/lib/compiler/test/bs_bincomp_SUITE.erl
index d39e340429..4450405695 100644
--- a/lib/compiler/test/bs_bincomp_SUITE.erl
+++ b/lib/compiler/test/bs_bincomp_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -25,7 +25,7 @@
init_per_group/2,end_per_group/2,
byte_aligned/1,bit_aligned/1,extended_byte_aligned/1,
extended_bit_aligned/1,mixed/1,filters/1,trim_coverage/1,
- nomatch/1,sizes/1,tail/1]).
+ nomatch/1,sizes/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -35,7 +35,7 @@ all() ->
test_lib:recompile(?MODULE),
[byte_aligned, bit_aligned, extended_byte_aligned,
extended_bit_aligned, mixed, filters, trim_coverage,
- nomatch, sizes, tail].
+ nomatch, sizes].
groups() ->
[].
@@ -282,45 +282,14 @@ sizes(Config) when is_list(Config) ->
?line <<1,2,3,0>> = Fun13(7),
?line <<1,2,3,0,0>> = Fun13(8),
+ <<0:3>> = cs_default(<< <<0:S>> || S <- [0,1,2] >>),
+ <<0:3>> = cs_default(<< <<0:S>> || <<S>> <= <<0,1,2>> >>),
+
?line {'EXIT',_} = (catch << <<C:4>> || <<C:8>> <= {1,2,3} >>),
?line cs_end(),
ok.
-tail(Config) when is_list(Config) ->
- ?line [] = tail_1(<<0:7>>),
- ?line [0] = tail_1(<<0>>),
- ?line [0] = tail_1(<<0:12>>),
- ?line [0,0] = tail_1(<<0:20>>),
-
- ?line [] = tail_2(<<0:7>>),
- ?line [42] = tail_2(<<0>>),
- ?line [] = tail_2(<<0:12>>),
- ?line [42,42] = tail_2(<<0,1>>),
-
- ?line <<>> = tail_3(<<0:7>>),
- ?line <<42>> = tail_3(<<0>>),
- ?line <<42>> = tail_3(<<0:12>>),
- ?line <<42,42>> = tail_3(<<0:20>>),
-
- ?line [] = tail_4(<<0:15>>),
- ?line [7] = tail_4(<<7,8>>),
- ?line [9] = tail_4(<<9,17:12>>),
- ok.
-
-tail_1(Bits) ->
- [X || <<X:8/integer, _/bits>> <= Bits].
-
-tail_2(Bits) ->
- [42 || <<_:8/integer, _/bytes>> <= Bits].
-
-tail_3(Bits) ->
- << <<42>> || <<_:8/integer, _/bits>> <= Bits >>.
-
-tail_4(Bits) ->
- [X || <<X:8/integer, Tail/bits>> <= Bits, bit_size(Tail) >= 8].
-
-
cs_init() ->
erts_debug:set_internal_state(available_internal_state, true),
ok.
diff --git a/lib/compiler/test/bs_construct_SUITE.erl b/lib/compiler/test/bs_construct_SUITE.erl
index 4ea5235bb6..ce39de2a82 100644
--- a/lib/compiler/test/bs_construct_SUITE.erl
+++ b/lib/compiler/test/bs_construct_SUITE.erl
@@ -319,6 +319,8 @@ in_guard(Config) when is_list(Config) ->
?line 1 = in_guard_1(<<16#74ad:16>>, 16#e95, 5),
?line 2 = in_guard_1(<<16#3A,16#F7,"hello">>, 16#3AF7, <<"hello">>),
?line 3 = in_guard_1(<<16#FBCD:14,3.1415/float,3:2>>, 16#FBCD, 3.1415),
+ ?line 3 = in_guard_1(<<16#FBCD:14,3/float,3:2>>, 16#FBCD, 3),
+ ?line 3 = in_guard_1(<<16#FBCD:14,(2 bsl 226)/float,3:2>>, 16#FBCD, 2 bsl 226),
?line nope = in_guard_1(<<1>>, 42, b),
?line nope = in_guard_1(<<1>>, a, b),
?line nope = in_guard_1(<<1,2>>, 1, 1),
diff --git a/lib/compiler/test/compilation_SUITE.erl b/lib/compiler/test/compilation_SUITE.erl
index 8e7b7292cc..93b2fb4ea5 100644
--- a/lib/compiler/test/compilation_SUITE.erl
+++ b/lib/compiler/test/compilation_SUITE.erl
@@ -50,7 +50,7 @@ groups() ->
trycatch_4,opt_crash,otp_5404,otp_5436,otp_5481,
otp_5553,otp_5632,otp_5714,otp_5872,otp_6121,
otp_6121a,otp_6121b,otp_7202,otp_7345,on_load,
- string_table,otp_8949_a,otp_8949_a,split_cases,
+ string_table,otp_8949_a,otp_8949_b,split_cases,
beam_utils_liveopt]}].
init_per_suite(Config) ->
@@ -278,6 +278,16 @@ try_it(StartNode, Module, Conf) ->
?line ok = rpc:call(Node, ?MODULE, load_and_call, [Out, Module]),
?line test_server:timetrap_cancel(LastDog),
+ AsmDog = test_server:timetrap(test_server:minutes(10)),
+ io:format("Compiling (from assembly): ~s\n", [Src]),
+ {ok,_} = compile:file(Src, [to_asm,{outdir,Out},report|OtherOpts]),
+ Asm = filename:join(Out, lists:concat([Module, ".S"])),
+ CompRc3 = compile:file(Asm, [from_asm,{outdir,Out},report|OtherOpts]),
+ io:format("Result: ~p\n",[CompRc3]),
+ {ok,_} = CompRc3,
+ ok = rpc:call(Node, ?MODULE, load_and_call, [Out, Module]),
+ test_server:timetrap_cancel(AsmDog),
+
case StartNode of
false -> ok;
true -> ?line test_server:stop_node(Node)
@@ -630,13 +640,13 @@ string_table(Config) when is_list(Config) ->
ok.
otp_8949_a(Config) when is_list(Config) ->
- value = otp_8949_a(),
+ value = do_otp_8949_a(),
ok.
-record(cs, {exs,keys = [],flags = 1}).
-record(exs, {children = []}).
-otp_8949_a() ->
+do_otp_8949_a() ->
case id([#cs{}]) of
[#cs{}=Cs] ->
SomeVar = id(value),
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 229e5a98a1..4ec75d015e 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2012. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2013. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -139,8 +139,8 @@ forms_2(Config) when is_list(Config) ->
module_mismatch(Config) when is_list(Config) ->
?line DataDir = ?config(data_dir, Config),
?line File = filename:join(DataDir, "wrong_module_name.erl"),
- ?line {error,[{"wrong_module_name.beam",
- [{compile,{module_name,arne,"wrong_module_name"}}]}],
+ {error,[{"wrong_module_name.beam",
+ [{none,compile,{module_name,arne,"wrong_module_name"}}]}],
[]} = compile:file(File, [return]),
?line error = compile:file(File, [report]),
@@ -492,6 +492,16 @@ encrypted_abstr_1(Simple, Target) ->
?line {error,beam_lib,{key_missing_or_invalid,"simple.beam",abstract_code}} =
beam_lib:chunks("simple.beam", [abstract_code]),
?line ok = file:set_cwd(OldCwd),
+
+ %% Test key compatibility by reading a BEAM file produced before
+ %% the update to the new crypto functions.
+ install_crypto_key("an old key"),
+ KeyCompat = filename:join(filename:dirname(Simple),
+ "key_compatibility"),
+ {ok,{key_compatibility,[Chunk]}} = beam_lib:chunks(KeyCompat,
+ [abstract_code]),
+ {abstract_code,{raw_abstract_v1,_}} = Chunk,
+
ok.
@@ -759,8 +769,8 @@ do_core({M,A}, Outdir) ->
error
end.
-%% Compile to Beam assembly language (.S) and the try to
-%% run .S throught the compiler again.
+%% Compile to Beam assembly language (.S) and then try to
+%% run .S through the compiler again.
asm(Config) when is_list(Config) ->
?line Dog = test_server:timetrap(test_server:minutes(20)),
@@ -781,10 +791,10 @@ do_asm(Beam, Outdir) ->
try
{ok,M,Asm} = compile:forms(A, ['S']),
AsmFile = filename:join(Outdir, atom_to_list(M)++".S"),
- {ok,Fd} = file:open(AsmFile, [write]),
+ {ok,Fd} = file:open(AsmFile, [write,{encoding,utf8}]),
beam_listing:module(Fd, Asm),
ok = file:close(Fd),
- case compile:file(AsmFile, [from_asm,no_postopt,binary,report]) of
+ case compile:file(AsmFile, [from_asm,binary,report]) of
{ok,M,_} ->
ok = file:delete(AsmFile);
Other ->
diff --git a/lib/compiler/test/compile_SUITE_data/key_compatibility.beam b/lib/compiler/test/compile_SUITE_data/key_compatibility.beam
new file mode 100644
index 0000000000..28329d2423
--- /dev/null
+++ b/lib/compiler/test/compile_SUITE_data/key_compatibility.beam
Binary files differ
diff --git a/lib/compiler/test/compile_SUITE_data/key_compatibility.erl b/lib/compiler/test/compile_SUITE_data/key_compatibility.erl
new file mode 100644
index 0000000000..e2931f1b12
--- /dev/null
+++ b/lib/compiler/test/compile_SUITE_data/key_compatibility.erl
@@ -0,0 +1,8 @@
+-module(key_compatibility).
+-export([main/0]).
+
+%% Compile like this:
+%% erlc +'{debug_info_key,"an old key"}' key_compatibility.erl
+
+main() ->
+ ok.
diff --git a/lib/compiler/test/core_fold_SUITE.erl b/lib/compiler/test/core_fold_SUITE.erl
index abc9ab6a72..a5a4e62a42 100644
--- a/lib/compiler/test/core_fold_SUITE.erl
+++ b/lib/compiler/test/core_fold_SUITE.erl
@@ -299,7 +299,7 @@ unused_multiple_values_error(Config) when is_list(Config) ->
Opts = [no_copt,clint,return,from_core,{outdir,PrivDir}
|test_lib:opt_opts(?MODULE)],
{error,[{unused_multiple_values_error,
- [{core_lint,{return_mismatch,{hello,1}}}]}],
+ [{none,core_lint,{return_mismatch,{hello,1}}}]}],
[]} = c:c(Core, Opts),
ok.
diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl
index 6067ee8e06..e35692efd1 100644
--- a/lib/compiler/test/fun_SUITE.erl
+++ b/lib/compiler/test/fun_SUITE.erl
@@ -21,7 +21,7 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1,
- external/1]).
+ external/1,eep37/1]).
%% Internal export.
-export([call_me/1]).
@@ -32,7 +32,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
test_lib:recompile(?MODULE),
- [test1,overwritten_fun,otp_7202,bif_fun,external].
+ [test1,overwritten_fun,otp_7202,bif_fun,external,eep37].
groups() ->
[].
@@ -197,5 +197,14 @@ external(Config) when is_list(Config) ->
call_me(I) ->
{ok,I}.
+eep37(Config) when is_list(Config) ->
+ F = fun Fact(N) when N > 0 -> N * Fact(N - 1); Fact(0) -> 1 end,
+ Add = fun _(N) -> N + 1 end,
+ UnusedName = fun BlackAdder(N) -> N + 42 end,
+ 720 = F(6),
+ 10 = Add(9),
+ 50 = UnusedName(8),
+ ok.
+
id(I) ->
I.
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 5656d23090..a0a9bb7ddd 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -813,8 +813,16 @@ and_guard(Config) when is_list(Config) ->
?line ok = relprod({'Set',a,b}, {'Set',a,b}),
+ ok = and_same_var(42),
+ {'EXIT',{if_clause,_}} = (catch and_same_var(x)),
ok.
+and_same_var(V) ->
+ B = is_integer(V),
+ if
+ B or B -> ok
+ end.
+
relprod(R1, R2) when (erlang:size(R1) =:= 3) and (erlang:element(1,R1) =:= 'Set'), (erlang:size(R2) =:= 3) and (erlang:element(1,R2) =:= 'Set') ->
ok.
diff --git a/lib/compiler/test/inline_SUITE.erl b/lib/compiler/test/inline_SUITE.erl
index d9b92766e4..e5c2d4f73a 100644
--- a/lib/compiler/test/inline_SUITE.erl
+++ b/lib/compiler/test/inline_SUITE.erl
@@ -36,7 +36,7 @@ all() ->
groups() ->
[{p,test_lib:parallel(),
- [attribute,bsdecode,bsdes,barnes2,decode1,smith,
+ [attribute,bsdecode,bsdes,barnes2,decode1,smith,fname,
itracer,pseudoknot,comma_splitter,lists,really_inlined,otp_7223,
coverage]}].
@@ -84,6 +84,7 @@ attribute(Config) when is_list(Config) ->
?comp(itracer).
?comp(pseudoknot).
?comp(comma_splitter).
+?comp(fname).
try_inline(Mod, Config) ->
Node = ?config(testing_node, Config),
diff --git a/lib/compiler/test/inline_SUITE_data/fname.erl b/lib/compiler/test/inline_SUITE_data/fname.erl
new file mode 100644
index 0000000000..7ad4446bf3
--- /dev/null
+++ b/lib/compiler/test/inline_SUITE_data/fname.erl
@@ -0,0 +1,29 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(fname).
+-export([?MODULE/0]).
+
+?MODULE() ->
+ F = fun bar/1,
+ G = lists:last([(fun (X) when F =:= X -> X end)]),
+ F = G(F),
+ ok.
+
+bar(X) ->
+ X.
diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl
index b91f2922fb..ec49267ded 100644
--- a/lib/compiler/test/receive_SUITE.erl
+++ b/lib/compiler/test/receive_SUITE.erl
@@ -23,7 +23,8 @@
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1,
init_per_group/2,end_per_group/2,
init_per_testcase/2,end_per_testcase/2,
- export/1,recv/1,coverage/1,otp_7980/1,ref_opt/1]).
+ export/1,recv/1,coverage/1,otp_7980/1,ref_opt/1,
+ wait/1]).
-include_lib("test_server/include/test_server.hrl").
@@ -44,7 +45,7 @@ all() ->
groups() ->
[{p,test_lib:parallel(),
- [recv,coverage,otp_7980,ref_opt,export]}].
+ [recv,coverage,otp_7980,ref_opt,export,wait]}].
init_per_suite(Config) ->
@@ -188,7 +189,7 @@ ref_opt(Config) when is_list(Config) ->
ref_opt_1(Config) ->
?line DataDir = ?config(data_dir, Config),
?line PrivDir = ?config(priv_dir, Config),
- ?line Sources = filelib:wildcard(filename:join([DataDir,"ref_opt","*.erl"])),
+ Sources = filelib:wildcard(filename:join([DataDir,"ref_opt","*.{erl,S}"])),
?line test_lib:p_run(fun(Src) ->
do_ref_opt(Src, PrivDir)
end, Sources),
@@ -196,10 +197,15 @@ ref_opt_1(Config) ->
do_ref_opt(Source, PrivDir) ->
try
- {ok,Mod} = c:c(Source, [{outdir,PrivDir}]),
+ Ext = filename:extension(Source),
+ {ok,Mod} = compile:file(Source, [report_errors,report_warnings,
+ {outdir,PrivDir}] ++
+ [from_asm || Ext =:= ".S" ]),
+ Base = filename:rootname(filename:basename(Source), Ext),
+ code:purge(list_to_atom(Base)),
+ BeamFile = filename:join(PrivDir, Base),
+ code:load_abs(BeamFile),
ok = Mod:Mod(),
- Base = filename:rootname(filename:basename(Source), ".erl"),
- BeamFile = filename:join(PrivDir, Base),
{beam_file,Mod,_,_,_,Code} = beam_disasm:file(BeamFile),
case Base of
"no_"++_ ->
@@ -247,4 +253,20 @@ export_1(Reference) ->
id({build,self()}),
Result.
+wait(Config) when is_list(Config) ->
+ self() ! <<42>>,
+ <<42>> = wait_1(r, 1, 2),
+ {1,2,3} = wait_1(1, 2, 3),
+ ok.
+
+wait_1(r, _, _) ->
+ receive
+ B when byte_size(B) > 0 ->
+ B
+ end;
+%% beam_utils would wrongly assume that wait/1 could fall through
+%% to the next clause.
+wait_1(A, B, C) ->
+ {A,B,C}.
+
id(I) -> I.
diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_14.S b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_14.S
new file mode 100644
index 0000000000..fd14228135
--- /dev/null
+++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_14.S
@@ -0,0 +1,71 @@
+{module, yes_14}. %% version = 0
+
+{exports, [{f,2},{module_info,0},{module_info,1},{yes_14,0}]}.
+
+{attributes, []}.
+
+{labels, 12}.
+
+
+{function, yes_14, 0, 2}.
+ {label,1}.
+ {func_info,{atom,yes_14},{atom,yes_14},0}.
+ {label,2}.
+ {move,{atom,ok},{x,0}}.
+ return.
+
+
+{function, f, 2, 4}.
+ {label,3}.
+ {func_info,{atom,yes_14},{atom,f},2}.
+ {label,4}.
+ {allocate_heap,2,3,2}.
+ {move,{x,0},{y,1}}.
+ {put_tuple,2,{y,0}}.
+ {put,{atom,data}}.
+ {put,{x,1}}.
+ {call_ext,0,{extfunc,erlang,make_ref,0}}. % Ref in [x0]
+ {test_heap,4,1}.
+ {put_tuple,3,{x,1}}.
+ {put,{atom,request}}.
+ {put,{x,0}}.
+ {put,{y,0}}.
+ {move,{x,0},{y,0}}. % Ref in [x0,y0]
+ {move,{y,1},{x,0}}. % Ref in [y0]
+ {kill,{y,1}}.
+ send.
+ {move,{y,0},{x,0}}. % Ref in [x0,y0]
+ {move,{x,0},{y,1}}. % Ref in [x0,y0,y1]
+ {label,5}.
+ {loop_rec,{f,7},{x,0}}. % Ref in [y0,y1]
+ {test,is_tuple,{f,6},[{x,0}]}.
+ {test,test_arity,{f,6},[{x,0},2]}.
+ {get_tuple_element,{x,0},0,{x,1}}.
+ {get_tuple_element,{x,0},1,{x,2}}.
+ {test,is_eq_exact,{f,6},[{x,1},{atom,reply}]}.
+ {test,is_eq_exact,{f,6},[{x,2},{y,1}]}.
+ remove_message.
+ {move,{atom,ok},{x,0}}.
+ {deallocate,2}.
+ return.
+ {label,6}.
+ {loop_rec_end,{f,5}}.
+ {label,7}.
+ {wait,{f,5}}.
+
+
+{function, module_info, 0, 9}.
+ {label,8}.
+ {func_info,{atom,yes_14},{atom,module_info},0}.
+ {label,9}.
+ {move,{atom,yes_14},{x,0}}.
+ {call_ext_only,1,{extfunc,erlang,get_module_info,1}}.
+
+
+{function, module_info, 1, 11}.
+ {label,10}.
+ {func_info,{atom,yes_14},{atom,module_info},1}.
+ {label,11}.
+ {move,{x,0},{x,1}}.
+ {move,{atom,yes_14},{x,0}}.
+ {call_ext_only,2,{extfunc,erlang,get_module_info,2}}.
diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_5.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_5.erl
index 3f02fba6a6..5070e3e546 100644
--- a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_5.erl
+++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_5.erl
@@ -24,11 +24,7 @@ do_call(Process, Label, Request, Timeout) ->
{'DOWN', Mref, _, _, Reason} ->
exit(Reason)
after Timeout ->
- erlang:demonitor(Mref),
- receive
- {'DOWN', Mref, _, _, _} -> true
- after 0 -> true
- end,
+ erlang:demonitor(Mref, [flush]),
exit(timeout)
end
catch
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl
index f00bfe663b..810b2b48c9 100644
--- a/lib/compiler/test/warnings_SUITE.erl
+++ b/lib/compiler/test/warnings_SUITE.erl
@@ -37,7 +37,7 @@
-export([pattern/1,pattern2/1,pattern3/1,pattern4/1,
guard/1,bad_arith/1,bool_cases/1,bad_apply/1,
- files/1,effect/1,bin_opt_info/1,bin_construction/1]).
+ files/1,effect/1,bin_opt_info/1,bin_construction/1, comprehensions/1]).
% Default timetrap timeout (set in init_per_testcase).
-define(default_timeout, ?t:minutes(2)).
@@ -61,7 +61,7 @@ groups() ->
[{p,test_lib:parallel(),
[pattern,pattern2,pattern3,pattern4,guard,
bad_arith,bool_cases,bad_apply,files,effect,
- bin_opt_info,bin_construction]}].
+ bin_opt_info,bin_construction,comprehensions]}].
init_per_suite(Config) ->
Config.
@@ -536,6 +536,16 @@ bin_construction(Config) when is_list(Config) ->
ok.
+comprehensions(Config) when is_list(Config) ->
+ Ts = [{tautologic_guards,
+ <<"
+ f() -> [ true || true ].
+ g() -> << <<1>> || true >>.
+ ">>,
+ [], []}],
+ run(Config, Ts),
+ ok.
+
%%%
%%% End of test cases.
%%%