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-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring3
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/limit.erl20
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/pretty_bitstring.erl8
3 files changed, 31 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring
new file mode 100644
index 0000000000..0ad6eee766
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring
@@ -0,0 +1,3 @@
+
+pretty_bitstring.erl:7: Function t/0 has no local return
+pretty_bitstring.erl:8: The call binary:copy(#{#<1>(8, 1, 'integer', ['unsigned', 'big']), #<2>(8, 1, 'integer', ['unsigned', 'big']), #<3>(3, 1, 'integer', ['unsigned', 'big'])}#,2) breaks the contract (Subject,N) -> binary() when is_subtype(Subject,binary()), is_subtype(N,non_neg_integer())
diff --git a/lib/dialyzer/test/small_SUITE_data/src/limit.erl b/lib/dialyzer/test/small_SUITE_data/src/limit.erl
new file mode 100644
index 0000000000..97ee585b77
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/limit.erl
@@ -0,0 +1,20 @@
+%% Misc cases where Dialyzer would fail with system_limit or crash
+
+-module(limit).
+
+-export([tu/0, big/1, b2/0]).
+
+tu() ->
+ erlang:make_tuple(1 bsl 24, def, [{5,e},{1,a},{3,c}]).
+
+big(<<Int:1152921504606846976/unit:128,0,_/binary>>) -> {5,Int}.
+
+b2() ->
+ Maxbig = maxbig(),
+ _ = bnot Maxbig,
+ ok.
+
+maxbig() ->
+ %% We assume that the maximum arity is (1 bsl 19) - 1.
+ Ws = erlang:system_info(wordsize),
+ (((1 bsl ((16777184 * (Ws div 4))-1)) - 1) bsl 1) + 1.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/pretty_bitstring.erl b/lib/dialyzer/test/small_SUITE_data/src/pretty_bitstring.erl
new file mode 100644
index 0000000000..3dbf5ab7a7
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/pretty_bitstring.erl
@@ -0,0 +1,8 @@
+%% Prettyprint bitstrings.
+
+-module(pretty_bitstring).
+
+-export([t/0]).
+
+t() ->
+ binary:copy(<<1,2,3:3>>,2).