diff options
Diffstat (limited to 'lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug3.erl')
-rw-r--r-- | lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug3.erl | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug3.erl b/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug3.erl new file mode 100644 index 0000000000..71da82a1f6 --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/opaque/opaque_bug3.erl @@ -0,0 +1,19 @@ +%%--------------------------------------------------------------------- +%% A test for which the analysis gave wrong results because it did not +%% handle the is_tuple/1 guard properly. +%%--------------------------------------------------------------------- + +-module(opaque_bug3). + +-export([test/1]). + +-record(c, {}). + +-opaque o() :: 'a' | #c{}. + +-spec test(o()) -> 42. + +test(#c{} = O) -> t(O). + +t(T) when is_tuple(T) -> 42; +t(a) -> gazonk. |