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-rw-r--r--lib/dialyzer/src/dialyzer.erl3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl
index dde0c17c39..3e7680f4bb 100644
--- a/lib/dialyzer/src/dialyzer.erl
+++ b/lib/dialyzer/src/dialyzer.erl
@@ -334,6 +334,9 @@ message_to_string({guard_fail, []}) ->
"Clause guard cannot succeed.\n";
message_to_string({guard_fail, [Arg1, Infix, Arg2]}) ->
io_lib:format("Guard test ~s ~s ~s can never succeed\n", [Arg1, Infix, Arg2]);
+message_to_string({neg_guard_fail, [Arg1, Infix, Arg2]}) ->
+ io_lib:format("Guard test not(~s ~s ~s) can never succeed\n",
+ [Arg1, Infix, Arg2]);
message_to_string({guard_fail, [Guard, Args]}) ->
io_lib:format("Guard test ~w~s can never succeed\n", [Guard, Args]);
message_to_string({neg_guard_fail, [Guard, Args]}) ->