diff options
| -rw-r--r-- | lib/stdlib/src/erl_parse.yrl | 2 | ||||
| -rw-r--r-- | lib/stdlib/test/erl_lint_SUITE.erl | 13 |
2 files changed, 14 insertions, 1 deletions
diff --git a/lib/stdlib/src/erl_parse.yrl b/lib/stdlib/src/erl_parse.yrl index 3bb7a90c4f..8601c89d59 100644 --- a/lib/stdlib/src/erl_parse.yrl +++ b/lib/stdlib/src/erl_parse.yrl @@ -664,6 +664,8 @@ find_arity_from_specs([Spec|_]) -> {type, _, 'fun', [{type, _, product, Args},_]} = Fun, length(Args). +build_def({var, L, '_'}, _Types) -> + ret_err(L, "bad type variable"); build_def(LHS, Types) -> IsSubType = {atom, ?line(LHS), is_subtype}, {type, ?line(LHS), constraint, [IsSubType, [LHS, Types]]}. diff --git a/lib/stdlib/test/erl_lint_SUITE.erl b/lib/stdlib/test/erl_lint_SUITE.erl index 16bd88938a..6e5892714b 100644 --- a/lib/stdlib/test/erl_lint_SUITE.erl +++ b/lib/stdlib/test/erl_lint_SUITE.erl @@ -3720,7 +3720,18 @@ otp_11851(Config) when is_list(Config) -> t()-> a. ">>, [], - {errors,[{5,erl_lint,{bad_callback,{lint_test,a,1}}}],[]}} + {errors,[{5,erl_lint,{bad_callback,{lint_test,a,1}}}],[]}}, + {otp_11851_3, + <<"-export([a/1]). + + -spec a(_A) -> boolean() when + _ :: atom(), + _A :: integer(). + + a(_) -> true. + ">>, + [], + {errors,[{4,erl_parse,"bad type variable"}],[]}} ], [] = run(Config, Ts), ok. |