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| -rw-r--r-- | lib/dialyzer/test/small_SUITE_data/src/bin_compr.erl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/src/bin_compr.erl b/lib/dialyzer/test/small_SUITE_data/src/bin_compr.erl new file mode 100644 index 0000000000..8c2497ed21 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/bin_compr.erl @@ -0,0 +1,16 @@ +%%% -*- erlang-indent-level: 2 -*- +%%%------------------------------------------------------------------------ +%%% File : bin_compr.erl +%%% Purpose : Test case which crashes in dialyzer_dataflow:bind_bin_segs/5. +%%%------------------------------------------------------------------------ + +-module(bin_compr). + +-export([bc/1]). + +%% The binary comprehension below is stupid: it consumes the whole +%% bitstr in one go and produces a [666] result provided Bits is a +%% bitstr of at least 8 bits. Still, this is a valid Erlang program +%% and dialyzer's analysis should not crash on it. +bc(Bits) -> + [666 || <<_:8/integer, _/bits>> <= Bits]. |