[erlang-bugs] nocatch error in dialyzer, R14A

Nico Kruber <>
Tue Aug 31 15:02:10 CEST 2010


On Tuesday 31 August 2010 14:59:02 Nico Kruber wrote:
> While I was trying to make a minimal example for another strange behaviour
> of the dialyzer I found the following bug calling
> 
> > dialyzer -Werror_handling -Wrace_conditions --src -c rec*.erl --no_native
> 
> with the attached files in the current directory:
> 
>   Checking whether the PLT /home/nico/.dialyzer_plt is up-to-date... yes
>   Proceeding with analysis...
> =ERROR REPORT==== 31-Aug-2010::14:53:04 ===
> Error in process <0.29.0> with exit value: {{nocatch,{error,
> [73,108,108,101,103,97,108,32,100,101,99,108,97,114,97,116,105,111,110,32,1
> 11,102,32,"rec2",35,123,"id",125,10]}},
> [{erl_types,record_from_form,5},{erl_types,t_from_form,3},{erl_types,'-
> t_opaque_from_records/1-anonymous-2-',3},{dict,map_bucket,2},
> {dict,map_bkt_list,2},{dict...
> 
> 
> dialyzer: Analysis failed with error: {{nocatch,{error,
> [73,108,108,101,103,97|...]}},
>  [{erl_types,record_from_form,5},
>   {erl_types,t_from_form,3},
>   {erl_types,'-t_opaque_from_records/1-anonymous-2-',3},
>   {dict,map_bucket,2},
>   {dict,map_bkt_list,2},
>   {dict,map_bkt_list,2},
>   {dict,map_seg_list,...},
>   {dict,...}]}
> Last messages in the log cache:
>   Reading files and computing callgraph... done in 0.06 secs
>   Removing edges... done in 0.01 secs
>   Typesig analysis for SCC: [{rec2,module_info,1}]

I forgot to mention that if you replace opaque with type in rec2.erl, it works

Regards,
Nico Kruber
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