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-rw-r--r--lib/hipe/test/maps_SUITE_data/maps_warn_useless_build.erl9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/hipe/test/maps_SUITE_data/maps_warn_useless_build.erl b/lib/hipe/test/maps_SUITE_data/maps_warn_useless_build.erl
new file mode 100644
index 0000000000..6cb0366314
--- /dev/null
+++ b/lib/hipe/test/maps_SUITE_data/maps_warn_useless_build.erl
@@ -0,0 +1,9 @@
+-module(maps_warn_useless_build).
+-export([test/0]).
+
+test() ->
+ [#{ a => id(I)} || I <- [1,2,3]],
+ ok.
+
+%% Use this function to avoid compile-time evaluation of an expression.
+id(I) -> I.