diff options
Diffstat (limited to 'lib/compiler/test/match_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/match_SUITE.erl | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lib/compiler/test/match_SUITE.erl b/lib/compiler/test/match_SUITE.erl index 78276982eb..60ab969929 100644 --- a/lib/compiler/test/match_SUITE.erl +++ b/lib/compiler/test/match_SUITE.erl @@ -25,7 +25,7 @@ match_in_call/1,untuplify/1,shortcut_boolean/1,letify_guard/1, selectify/1,deselectify/1,underscore/1,match_map/1,map_vars_used/1, coverage/1,grab_bag/1,literal_binary/1, - unary_op/1]). + unary_op/1,eq_types/1]). -include_lib("common_test/include/ct.hrl"). @@ -40,7 +40,7 @@ groups() -> match_in_call,untuplify, shortcut_boolean,letify_guard,selectify,deselectify, underscore,match_map,map_vars_used,coverage, - grab_bag,literal_binary,unary_op]}]. + grab_bag,literal_binary,unary_op,eq_types]}]. init_per_suite(Config) -> @@ -870,5 +870,25 @@ unary_op_1(Vop@1) -> end end. +eq_types(_Config) -> + Ref = make_ref(), + Ref = eq_types(Ref, any), + ok. + +eq_types(A, B) -> + %% {put_tuple2,{y,0},{list,[{x,0},{x,1}]}}. + Term0 = {A, B}, + Term = id(Term0), + + %% {test,is_eq_exact,{f,3},[{y,0},{x,0}]}. + %% Here beam_validator must infer that {x,0} has the + %% same type as {y,0}. + Term = Term0, + + %% {get_tuple_element,{x,0},0,{x,0}}. + {Ref22,_} = Term, + + Ref22. + id(I) -> I. |