diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 6877141885..d53aff004f 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -1165,12 +1165,15 @@ assert_type(WantedType, Term, Vst) -> assert_type(Correct, Correct) -> ok; assert_type(float, {float,_}) -> ok; assert_type(tuple, {tuple,_}) -> ok; +assert_type(tuple, {literal,Tuple}) when is_tuple(Tuple) -> ok; assert_type({tuple_element,I}, {tuple,[Sz]}) when 1 =< I, I =< Sz -> ok; assert_type({tuple_element,I}, {tuple,Sz}) when is_integer(Sz), 1 =< I, I =< Sz -> ok; +assert_type({tuple_element,I}, {literal,Lit}) when I =< tuple_size(Lit) -> + ok; assert_type(Needed, Actual) -> error({bad_type,{needed,Needed},{actual,Actual}}). @@ -1549,8 +1552,12 @@ return_type_1(erlang, setelement, 3, Vst) -> Tuple = {x,1}, TupleType = case get_term_type(Tuple, Vst) of - {tuple,_}=TT -> TT; - _ -> {tuple,[0]} + {tuple,_}=TT -> + TT; + {literal,Lit} when is_tuple(Lit) -> + {tuple,tuple_size(Lit)}; + _ -> + {tuple,[0]} end, case get_term_type({x,0}, Vst) of {integer,[]} -> TupleType; |