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-rw-r--r--lib/compiler/test/bs_construct_SUITE.erl11
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/compiler/test/bs_construct_SUITE.erl b/lib/compiler/test/bs_construct_SUITE.erl
index 73920fbad1..bc6ed43dad 100644
--- a/lib/compiler/test/bs_construct_SUITE.erl
+++ b/lib/compiler/test/bs_construct_SUITE.erl
@@ -755,18 +755,25 @@ bad_binary_size2() ->
bad_binary_size3(Bin) ->
<<Bin:all/binary>>.
-%% GH-7121: Alias analysis would not mark fun arguments as aliased, fooling
-%% the beam_ssa_private_append pass.
private_append(_Config) ->
<<"alpha=\"alpha\",beta=\"beta\"">> =
private_append_1(#{ <<"alpha">> => <<"alpha">>,
<<"beta">> => <<"beta">> }),
+ <<>> = private_append_2(false),
+ {'EXIT', _} = catch private_append_2(true),
+
ok.
+%% GH-7121: Alias analysis would not mark fun arguments as aliased, fooling
+%% the beam_ssa_private_append pass.
private_append_1(M) when is_map(M) ->
maps:fold(fun (K, V, Acc = <<>>) ->
<<Acc/binary, K/binary, "=\"", V/binary, "\"">>;
(K, V, Acc) ->
<<Acc/binary, ",", K/binary, "=\"", V/binary, "\"">>
end, <<>>, M).
+
+%% GH-7142: The private append pass crashed on oddly structured code.
+private_append_2(Boolean) ->
+ <<<<(id(Boolean) orelse <<>>)/binary>>/binary>>.