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Diffstat (limited to 'lib/hipe/test/basic_SUITE_data/basic_issues_beam.erl')
| -rw-r--r-- | lib/hipe/test/basic_SUITE_data/basic_issues_beam.erl | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/lib/hipe/test/basic_SUITE_data/basic_issues_beam.erl b/lib/hipe/test/basic_SUITE_data/basic_issues_beam.erl new file mode 100644 index 0000000000..73367c5c45 --- /dev/null +++ b/lib/hipe/test/basic_SUITE_data/basic_issues_beam.erl @@ -0,0 +1,326 @@ +%%% -*- erlang-indent-level: 2 -*- +%%%------------------------------------------------------------------- +%%% Author: Kostis Sagonas +%%% +%%% Contains code examples, mostly taken from the mailing list, that +%%% crashed the BEAM compiler or gave an internal error at some point. +%%%------------------------------------------------------------------- +-module(basic_issues_beam). + +-export([test/0]). + +test() -> + ok = test_crash_R10_hinde(), + ok = test_error_R10_mander(), + ok = test_error_R11_bjorklund(), + ok = test_error_R11_rath(), + ok = test_error_R12_empty_bin_rec(), + ok = test_bug_R12_cornish(), + ok = test_crash_R12_morris(), + ok = test_error_R13_almeida(), + ok = test_error_R13B01_fisher(), + ok = test_error_R13B01_sawatari(), + ok = test_error_R13B01_whongo(), + ok = test_error_R16B03_norell(), + ok = test_error_try_wings(), + ok. + +%%-------------------------------------------------------------------- +%% Fisher R10 compiler crash +%%-------------------------------------------------------------------- + +-record(r, {a, b, c}). + +test_crash_R10_hinde() -> + rec_R10_hinde(#r{}). + +rec_R10_hinde(As) -> + case As of + A when A#r.b == ""; A#r.b == undefined -> ok; + _ -> error + end. + +%%-------------------------------------------------------------------- +%% From: Peter-Henry Mander +%% Date: 27 Jan, 2005 +%% +%% I managed to isolate a non-critical BEAM compilation error +%% (internal error in v3_codegen) when compiling the following code: +%%-------------------------------------------------------------------- + +test_error_R10_mander() -> + try just_compile_me_R10() catch _:_ -> ok end. + +just_compile_me_R10() -> + URI_Before = + {absoluteURI, + {scheme, fun() -> nil end}, + {hier_part, + {net_path, + {srvr, + {userinfo, nil}, + fun() -> nil end}, + nil}, + {port, nil}}}, + {absoluteURI, + {scheme, _}, + {hier_part, + {net_path, + {srvr, + {userinfo, nil}, + _HostportBefore}, + nil}, + {port, nil}}} = URI_Before, + %% ... some funky code ommitted, not relevant ... + {absoluteURI, + {scheme, _}, + {hier_part, + {net_path, + {srvr, + {userinfo, nil}, + HostportAfter}, + nil}, + {port, nil}}} = URI_Before, + %% NOTE: I intended to write URI_After instead of URI_Before + %% but the accident revealed that when you add the line below, + %% it causes internal error in v3_codegen on compilation + {hostport, {hostname, "HostName"}, {port, nil}} = HostportAfter, + ok. + +%%-------------------------------------------------------------------- +%% From: Martin Bjorklund +%% Date: Aug 16, 2006 +%% +%% I found this compiler bug in R10B-10 and R11B-0. +%% +%% Function -just_compile_me/0-fun-2-/1 refers to undefined label 18 +%% ./bjorklund_R11compiler_bug.erl:none: internal error in beam_clean; +%% crash reason: {{case_clause,{'EXIT',{undefined_label,18}}}, +%% [{compile,'-select_passes/2-anonymous-2-',2}, +%% {compile,'-internal_comp/4-anonymous-1-',2}, +%% {compile,fold_comp,3}, +%% {compile,internal_comp,4}, +%% {compile,internal,3}]} +%%-------------------------------------------------------------------- + +test_error_R11_bjorklund() -> + just_compile_me_R11_bjorklund(). + +just_compile_me_R11_bjorklund() -> + G = fun() -> ok end, + try + G() %% fun() -> ok end + after + fun({A, B}) -> A + B end + end. + +%%-------------------------------------------------------------------- +%% From: Tim Rath +%% Date: Sep 13, 2006 +%% Subject: Compiler bug not quite fixed +%% +%% +%% I saw a compiler bug posted to the list by Martin Bjorklund that +%% appeared to be exactly the problem I'm seeing, and then noticed +%% that this was fixed in R11B-1. Unfortunately, though R11B-1 appears +%% to fix the code submitted by Martin, it does not fix my case. +%% +%% Function -just_compile_me/0-fun-2-/1 refers to undefined label 13 +%% ./rath_R11compiler_bug.erl:none: internal error in beam_clean; +%% crash reason: {{case_clause,{'EXIT',{undefined_label,13}}}, +%% [{compile,'-select_passes/2-anonymous-2-',2}, +%% {compile,'-internal_comp/4-anonymous-1-',2}, +%% {compile,fold_comp,3}, +%% {compile,internal_comp,4}, +%% {compile,internal,3}]} +%%-------------------------------------------------------------------- + +test_error_R11_rath() -> + just_compile_me_R11_rath(). + +just_compile_me_R11_rath() -> + A = {6}, + try + io:fwrite("") + after + fun () -> + fun () -> {_} = A end + end + end. + +%%---------------------------------------------------------------------- +%% Program that crashed the R12B-0 compiler: internal error in v3_codegen +%%---------------------------------------------------------------------- + +-record(rec, {a = <<>> :: binary(), b = 42 :: integer()}). + +test_error_R12_empty_bin_rec() -> + 42 = test_empty_bin_rec(#rec{}), + ok. + +test_empty_bin_rec(R) -> + #rec{a = <<>>} = R, + R#rec.b. + +%%---------------------------------------------------------------------- +%% From: Simon Cornish +%% Date: Jan 13, 2008 +%% +%% The attached Erlang code demonstrates an R12B-0 bug with funs. +%% Compile and evaluate the two die/1 calls for two different failure modes. +%% It seems to me that the live register check for call_fun is off by one. +%%---------------------------------------------------------------------- + +-record(b, {c}). + +test_bug_R12_cornish() -> + {a2, a} = die(a), + {a2, {b, c}} = die({b, c}), + ok. + +die(A) -> + F = fun() -> {ok, A} end, + if A#b.c =:= [] -> one; + true -> + case F() of + {ok, A2} -> {a2, A2}; + _ -> three + end + end. + +%%---------------------------------------------------------------------- +%% From: Hunter Morris +%% Date: Nov 20, 2008 +%% +%% The following code (tested with R12B-4 or R12B-5, vanilla compiler +%% options) produces a compiler crash. It's nonsensical, and I realise +%% that andalso can be quite evil, but it's a crash nonetheless. +%%---------------------------------------------------------------------- + +test_crash_R12_morris() -> + foo(42). + +foo(Bar) when (is_integer(Bar) andalso Bar =:= 0) ; Bar =:= 42 -> + ok. + +%%-------------------------------------------------------------------- +%% From: Paulo Sergio Almeida +%% Date: May 20, 2009 +%% +%% The following code when compiled under R13B gives a compiler error. +%% Function loop/1 refers to undefined label 6 +%% ./almeida_R13compiler_bug.erl:none: internal error in beam_peep; +%% crash reason: {{case_clause,{'EXIT',{undefined_label,6}}}, +%% [{compile,'-select_passes/2-anonymous-2-',2}, +%% {compile,'-internal_comp/4-anonymous-1-',2}, +%%-------------------------------------------------------------------- + +test_error_R13_almeida() -> + self() ! {backup, 42, false}, + loop([]). + +loop(Tids) -> + receive + {backup, Tid, Dumping} -> + case Dumping of + false -> ok; + _ -> receive {logged, Tab, Tid} -> put({log, Tab}, Tid) end + end, + collect(Tid, Tids, []) + end. + +collect(_, _, _) -> ok. + +%%-------------------------------------------------------------------- +%% Fisher R13B01 compiler error +%%-------------------------------------------------------------------- + +test_error_R13B01_fisher() -> + perform_select({foo, "42"}). + +perform_select({Type, Keyval}) -> + try + if is_atom(Type) andalso length(Keyval) > 0 -> ok; + true -> ok + end + catch + _:_ -> fail + end. + +%%-------------------------------------------------------------------- +%% From: Mikage Sawatari +%% Date: Jun 12, 2009 +%% +%% I have the following compilation problem on Erlang R13B01. +%% Compiler reports "Internal consistency check failed". +%%-------------------------------------------------------------------- + +test_error_R13B01_sawatari() -> + test_sawatari([1, null, 3], <<1, 2, 3>>). + +test_sawatari([], _Bin) -> ok; +test_sawatari([H|T], Bin) -> + _ = case H of + null -> <<Bin/binary>>; + _ -> ok + end, + test_sawatari(T, Bin). + +%%-------------------------------------------------------------------- + +test_error_R13B01_whongo() -> + S = "gazonk", + S = orgno_alphanum(S), + ok. + +orgno_alphanum(Cs) -> + [C || C <- Cs, ((C >= $0) andalso (C =< $9)) + orelse ((C >= $a) andalso (C =< $z)) + orelse ((C >= $A) andalso (C =< $Z))]. + +%%-------------------------------------------------------------------- +%% I'm getting an Internal Consistency Check error when attempting to +%% build Wings3D on Mac OS X 10.4.2 (Erlang OTP R10B-6): +%% +%% erlc -pa /ebin +warn_unused_vars -I/include -I ../e3d -W +debug_info +%% '-Dwings_version="0.98.31"' -pa ../ebin -o../ebin wings_color.erl +%% wings_color: function internal_rgb_to_hsv/3+97: +%% Internal consistency check failed - please report this bug. +%% Instruction: {test,is_eq_exact,{f,80},[{x,0},{atom,error}]} +%% Error: {unsafe_instruction,{float_error_state,cleared}}: +%% +%% The problem is the interaction of the 'try' construct with the +%% handling of FP exceptions. +%%-------------------------------------------------------------------- + +test_error_try_wings() -> + %% a call with a possible FP exception + {199.99999999999997, 0.045454545454545456, 44} = rgb_to_hsv(42, 43, 44), + ok. + +rgb_to_hsv(R, G, B) -> + Max = lists:max([R, G, B]), + Min = lists:min([R, G, B]), + V = Max, + {Hue, Sat} = try + {if Min == B -> (G-Min)/(R+G-2.0*Min); + Min == R -> (1.0+(B-Min)/(B+G-2.0*Min)); + Min == G -> (2.0+(R-Min)/(B+R-2.0*Min)) + end * 120, (Max-Min)/Max} + catch + error:badarith -> {undefined, 0.0} + end, + {Hue, Sat, V}. + +%%-------------------------------------------------------------------- +%% From: Ulf Norell +%% Date: Feb 28, 2014 +%% +%% This caused an internal error in v3_codegen +%%-------------------------------------------------------------------- + +test_error_R16B03_norell() -> + test_error_R16B03_norell(#r{}, gazonk). + +test_error_R16B03_norell(Rec, Tag) -> + is_record(Rec, Tag, 3) orelse ok. |