<div dir="ltr"><div>Sorry for the spam, this is the last one :).</div><div><br></div><div>-module(bug).</div><div>f() -> receive _ -> ok after [] -> timeout end.</div><div>$ erl</div><div>Erlang/OTP 17 [RELEASE CANDIDATE 2] [erts-6.0] [source-a74e66a] [64-bit] [smp:8:8] [async-threads:10] [hipe] [kernel-poll:false]</div>
<div><br></div><div>Eshell V6.0 (abort with ^G)</div><div>1> c(bug).</div><div>Function: f/0</div><div>bug.erl: internal error in beam_block;</div><div>crash reason: {case_clause,</div><div> {'EXIT',</div>
<div>
{function_clause,</div><div> [{beam_utils,live_opt,</div><div> [[{wait_timeout,{f,5},nil},</div><div> {label,6},</div><div> return,</div><div> {block,</div>
<div> [{set,[],[],remove_message},</div><div> {set,[{x,0}],[{atom,ok}],move}]},</div><div> {loop_rec,{f,6},{x,0}},</div><div> {label,5},</div>
<div> {line,[{location,"bug.erl",2}]},</div><div> {label,2}],</div><div> 0,</div><div> {1,{1,0,nil,nil}},</div><div> [timeout,</div>
<div> {block,</div><div> [{'%live',0},</div><div> {set,[{x,0}],[{atom,timeout}],move},</div><div> {'%live',1}]},</div>
<div>
return]],</div><div> [{file,"beam_utils.erl"},{line,645}]},</div><div> {beam_utils,live_opt,1,[{file,"beam_utils.erl"},{line,207}]},</div><div> {beam_block,function,2,[{file,"beam_block.erl"},{line,38}]},</div>
<div> {lists,mapfoldl,3,[{file,"lists.erl"},{line,1352}]},</div><div> {beam_block,module,2,[{file,"beam_block.erl"},{line,29}]},</div><div> {compile,'-select_passes/2-anonymous-2-',2,</div>
<div> [{file,"compile.erl"},{line,493}]},</div><div> {compile,'-internal_comp/4-anonymous-1-',2,</div><div> [{file,"compile.erl"},{line,290}]},</div>
<div> {compile,fold_comp,3,[{file,"compile.erl"},{line,308}]}]}}}</div><div><br></div><div> in function io_lib_pretty:cind_tag_tuple/7 (io_lib_pretty.erl, line 638)</div><div> in call from io_lib_pretty:cind_element/7 (io_lib_pretty.erl, line 727)</div>
<div> in call from io_lib_pretty:cind_list/7 (io_lib_pretty.erl, line 697)</div><div> in call from io_lib_pretty:cind_element/7 (io_lib_pretty.erl, line 727)</div><div> in call from io_lib_pretty:cind_list/7 (io_lib_pretty.erl, line 697)</div>
<div> in call from io_lib_pretty:cind_element/7 (io_lib_pretty.erl, line 727)</div><div> in call from io_lib_pretty:cind_list/7 (io_lib_pretty.erl, line 697)</div><div> in call from io_lib_pretty:cind_element/7 (io_lib_pretty.erl, line 727)</div>
<div>bug.erl:2: Warning: function f/0 is unused</div><div>error</div><div><br></div><div>/ Ulf</div></div>