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authorBjörn Gustavsson <bjorn@erlang.org>2015-02-19 16:55:18 +0100
committerBjörn Gustavsson <bjorn@erlang.org>2015-02-20 10:10:51 +0100
commit7db06f86efea90df387501735dea39681a82d4ae (patch)
tree719e3c82ecc012f4ac587cf77d6d66a88073560f /lib/compiler/test/lc_SUITE.erl
parent7789de9b616a46f81195eadec26ff40b8306ecef (diff)
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sys_core_fold: Fix non-tail-recursive list comprehensions
649d6e73 simplified opt_simple_let_2/6 a little bit too much, so that some list comprehensions in effect context were not properly tail-recursive.
Diffstat (limited to 'lib/compiler/test/lc_SUITE.erl')
-rw-r--r--lib/compiler/test/lc_SUITE.erl11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/compiler/test/lc_SUITE.erl b/lib/compiler/test/lc_SUITE.erl
index 6c5b34498b..62bada1407 100644
--- a/lib/compiler/test/lc_SUITE.erl
+++ b/lib/compiler/test/lc_SUITE.erl
@@ -208,6 +208,17 @@ effect(Config) when is_list(Config) ->
#{<<1:500>>:=V1,<<2:301>>:=V2} <- L],
ok
end, id([#{},x,#{<<1:500>>=>42,<<2:301>>=>{a,b,c}}])),
+
+ %% Will trigger the time-trap timeout if not tail-recursive.
+ case ?MODULE of
+ lc_SUITE ->
+ _ = [{'EXIT',{badarg,_}} =
+ (catch binary_to_atom(<<C/utf8>>, utf8)) ||
+ C <- lists:seq(16#10000, 16#FFFFF)];
+ _ ->
+ ok
+ end,
+
ok.
do_effect(Lc, L) ->