From 9430e6e0223f8d9ae592f8062a50285d23becd5a Mon Sep 17 00:00:00 2001 From: Anthony Ramine Date: Sat, 27 Sep 2014 15:29:52 +0200 Subject: Fix miscompilation when module contains multiple named funs A module containing two named funs bearing the same name and arity could be miscompiled. Reported-by: Sam Chapin --- lib/compiler/test/fun_SUITE.erl | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) (limited to 'lib/compiler/test') diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl index 25b7f677b5..a3e9b7fe4e 100644 --- a/lib/compiler/test/fun_SUITE.erl +++ b/lib/compiler/test/fun_SUITE.erl @@ -21,10 +21,10 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, test1/1,overwritten_fun/1,otp_7202/1,bif_fun/1, - external/1,eep37/1,badarity/1]). + external/1,eep37/1,eep37_dup/1,badarity/1]). -%% Internal export. --export([call_me/1]). +%% Internal exports. +-export([call_me/1,dup1/0,dup2/0]). -include_lib("test_server/include/test_server.hrl"). @@ -32,7 +32,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [test1,overwritten_fun,otp_7202,bif_fun,external,eep37,badarity]. + [test1,overwritten_fun,otp_7202,bif_fun,external,eep37,eep37_dup,badarity]. groups() -> []. @@ -206,6 +206,17 @@ eep37(Config) when is_list(Config) -> 50 = UnusedName(8), ok. +eep37_dup(Config) when is_list(Config) -> + dup1 = (dup1())(), + dup2 = (dup2())(), + ok. + +dup1() -> + fun _F() -> dup1 end. + +dup2() -> + fun _F() -> dup2 end. + badarity(Config) when is_list(Config) -> {'EXIT',{{badarity,{_,[]}},_}} = (catch (fun badarity/1)()), ok. -- cgit v1.2.3