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-rw-r--r--lib/compiler/test/beam_ssa_SUITE.erl26
1 files changed, 24 insertions, 2 deletions
diff --git a/lib/compiler/test/beam_ssa_SUITE.erl b/lib/compiler/test/beam_ssa_SUITE.erl
index 9227f56f8c..0a0f35ee7f 100644
--- a/lib/compiler/test/beam_ssa_SUITE.erl
+++ b/lib/compiler/test/beam_ssa_SUITE.erl
@@ -484,9 +484,11 @@ do_comb_sw_2(X) ->
erase(?MODULE).
share_opt(_Config) ->
- ok = do_share_opt(0).
+ ok = do_share_opt_1(0),
+ ok = do_share_opt_2(),
+ ok.
-do_share_opt(A) ->
+do_share_opt_1(A) ->
%% The compiler would be stuck in an infinite loop in beam_ssa_share.
case A of
0 -> a;
@@ -495,6 +497,26 @@ do_share_opt(A) ->
end,
receive after 1 -> ok end.
+do_share_opt_2() ->
+ ok = sopt_2({[pointtopoint], [{dstaddr,any}]}, ok),
+ ok = sopt_2({[broadcast], [{broadaddr,any}]}, ok),
+ ok = sopt_2({[], []}, ok),
+ ok.
+
+sopt_2({Flags, Opts}, ok) ->
+ Broadcast = lists:member(broadcast, Flags),
+ P2P = lists:member(pointtopoint, Flags),
+ case Opts of
+ %% The following two clauses would be combined to one, silently
+ %% discarding the guard test of the P2P variable.
+ [{broadaddr,_}|Os] when Broadcast ->
+ sopt_2({Flags, Os}, ok);
+ [{dstaddr,_}|Os] when P2P ->
+ sopt_2({Flags, Os}, ok);
+ [] ->
+ ok
+ end.
+
beam_ssa_dead_crash(_Config) ->
not_A_B = do_beam_ssa_dead_crash(id(false), id(true)),
not_A_not_B = do_beam_ssa_dead_crash(false, false),