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-rw-r--r--lib/compiler/test/fun_SUITE.erl20
1 files changed, 18 insertions, 2 deletions
diff --git a/lib/compiler/test/fun_SUITE.erl b/lib/compiler/test/fun_SUITE.erl
index 1df0a05275..7fc6195e31 100644
--- a/lib/compiler/test/fun_SUITE.erl
+++ b/lib/compiler/test/fun_SUITE.erl
@@ -22,7 +22,8 @@
-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,eep37_dup/1,badarity/1,badfun/1]).
+ external/1,eep37/1,eep37_dup/1,badarity/1,badfun/1,
+ duplicated_fun/1]).
%% Internal exports.
-export([call_me/1,dup1/0,dup2/0]).
@@ -37,7 +38,7 @@ all() ->
groups() ->
[{p,[parallel],
[test1,overwritten_fun,otp_7202,bif_fun,external,eep37,
- eep37_dup,badarity,badfun]}].
+ eep37_dup,badarity,badfun,duplicated_fun]}].
init_per_suite(Config) ->
test_lib:recompile(?MODULE),
@@ -261,5 +262,20 @@ badfun(_Config) ->
expect_badfun(Term, Exit) ->
{'EXIT',{{badfun,Term},_}} = Exit.
+duplicated_fun(_Config) ->
+ try
+ %% The following code used to crash the compiler before
+ %% v3_core:is_safe/1 was corrected to consider fun variables
+ %% unsafe.
+ id([print_result_paths_fun = fun duplicated_fun_helper/1]),
+ ct:error(should_fail)
+ catch
+ error:{badmatch,F} when is_function(F, 1) ->
+ ok
+ end.
+
+duplicated_fun_helper(_) ->
+ ok.
+
id(I) ->
I.