diff options
Diffstat (limited to 'lib/compiler/test')
| -rw-r--r-- | lib/compiler/test/beam_ssa_SUITE.erl | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/lib/compiler/test/beam_ssa_SUITE.erl b/lib/compiler/test/beam_ssa_SUITE.erl index 256bb95559..669ce6f5cf 100644 --- a/lib/compiler/test/beam_ssa_SUITE.erl +++ b/lib/compiler/test/beam_ssa_SUITE.erl @@ -196,6 +196,9 @@ recv(_Config) -> self() ! 2, b = tricky_recv_5(), + %% tricky_recv_6/0 is a compile-time error. + tricky_recv_6(), + ok. sync_wait_mon({Pid, Ref}, Timeout) -> @@ -321,6 +324,18 @@ tricky_recv_5() -> _:_ -> c end. +%% When fixing tricky_recv_5, we introduced a compiler crash when the common +%% exit block was ?BADARG_BLOCK and floats were in the picture. +tricky_recv_6() -> + RefA = make_ref(), + RefB = make_ref(), + receive + {RefA, Number} -> Number + 1.0; + {RefB, Number} -> Number + 2.0 + after 0 -> + ok + end. + maps(_Config) -> {'EXIT',{{badmatch,#{}},_}} = (catch maps_1(any)), ok. @@ -509,9 +524,11 @@ 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; @@ -520,6 +537,26 @@ 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), |