From 9ce148b1059e4da746a11f1d80a653340216c468 Mon Sep 17 00:00:00 2001 From: Anthony Ramine Date: Mon, 22 Jul 2013 21:41:31 +0200 Subject: Fix unsafe variable tracking in try expressions Variables used in the body of a try expression were marked as unsafe *and* used, which makes no sense as an unsafe variable can't be used. Function vtsubtract/2 is used to forget usage of such unsafe variables. Reported-by: Paul Davis --- lib/stdlib/test/erl_lint_SUITE.erl | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'lib/stdlib/test/erl_lint_SUITE.erl') diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index 0bcf9b3e01..a1a9839bae 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -1098,7 +1098,24 @@ unsafe_vars_try(Config) when is_list(Config) -> {10,erl_lint,{unsafe_var,'Ra',{'try',3}}}, {10,erl_lint,{unsafe_var,'Rc',{'try',3}}}, {10,erl_lint,{unsafe_var,'Ro',{'try',3}}}], - []}}], + []}}, + {unsafe_try5, + <<"bang() -> + case 1 of + nil -> + Acc = 2; + _ -> + try + Acc = 3, + Acc + catch _:_ -> + ok + end + end, + Acc. + ">>, + [], + {errors,[{13,erl_lint,{unsafe_var,'Acc',{'try',6}}}],[]}}], ?line [] = run(Config, Ts), ok. -- cgit v1.2.3