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-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/stacktrace5
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl73
2 files changed, 78 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/stacktrace b/lib/dialyzer/test/small_SUITE_data/results/stacktrace
new file mode 100644
index 0000000000..fd60881953
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/stacktrace
@@ -0,0 +1,5 @@
+
+stacktrace.erl:11: The pattern {'a', 'b'} can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}]
+stacktrace.erl:19: The pattern ['a', 'b'] can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}]
+stacktrace.erl:44: The pattern {'a', 'b'} can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}]
+stacktrace.erl:53: The pattern ['a', 'b'] can never match the type [{atom(),atom(),[any()] | byte(),[{'file',string()} | {'line',pos_integer()}]}]
diff --git a/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl b/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl
new file mode 100644
index 0000000000..de79e710e9
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/stacktrace.erl
@@ -0,0 +1,73 @@
+-module(stacktrace).
+
+%% Check the stacktrace variable introduced in Erlang/OTP 21.0
+
+-export([t1/0, t2/0, t3/0, t4/0, s1/0, s2/0, s3/0, s4/0]).
+
+t1() ->
+ try foo:bar()
+ catch
+ E:P:S ->
+ {a,b} = S, % can never match
+ {E, P}
+ end.
+
+t2() ->
+ try foo:bar()
+ catch
+ E:P:S ->
+ [a,b] = S, % can never match
+ {E, P}
+ end.
+
+t3() ->
+ try foo:bar()
+ catch
+ E:P:S ->
+ [{m,f,[],[]}] = S,
+ {E, P}
+ end.
+
+t4() ->
+ try foo:bar()
+ catch
+ E:P:S ->
+ [{m,f,1,[{file,"tjo"},{line,95}]}] = S,
+ {E, P}
+ end.
+
+s1() ->
+ try foo:bar()
+ catch
+ E:P ->
+ S = erlang:get_stacktrace(),
+ {a,b} = S, % can never match
+ {E, P}
+ end.
+
+s2() ->
+ try foo:bar()
+ catch
+ E:P ->
+ S = erlang:get_stacktrace(),
+ [a,b] = S, % can never match
+ {E, P}
+ end.
+
+s3() ->
+ try foo:bar()
+ catch
+ E:P ->
+ S = erlang:get_stacktrace(),
+ [{m,f,[],[]}] = S,
+ {E, P}
+ end.
+
+s4() ->
+ try foo:bar()
+ catch
+ E:P ->
+ S = erlang:get_stacktrace(),
+ [{m,f,1,[{file,"tjo"},{line,95}]}] = S,
+ {E, P}
+ end.