[erlang-bugs] Regression on match in 17.0-rc1

Anthony Ramine <>
Mon Feb 3 19:54:23 CET 2014


Bug is in sys_core_fold. Culprit is probably e12b7d5331c58b41db06cadfa4af75b78b62a2b1.

-- 
Anthony Ramine

Le 3 févr. 2014 à 19:34, José Valim <> a écrit :

> There is a regression in 17.0-rc1. The following code will execute io:format/2 twice:
> 
> -module(test).
> -export([test/0]).
>  
> test() ->
>   X = Y = io:format(<<"foo~n">>),
>   X,
>   Y.
> 
> I ran it with:
> 
> $ erlc test.erl
> $ erl -s test test
> 
> Above is the minimum test case extracted from a more complex expression where I matched against a record:
> 
> Value = #elixir_env{} = expr()
> 
> Thank you,
> 
> José Valim
> www.plataformatec.com.br
> Skype: jv.ptec
> Founder and Lead Developer
> _______________________________________________
> erlang-bugs mailing list
> 
> http://erlang.org/mailman/listinfo/erlang-bugs



More information about the erlang-bugs mailing list