diff options
Diffstat (limited to 'lib/compiler/test/beam_block_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/beam_block_SUITE.erl | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/compiler/test/beam_block_SUITE.erl b/lib/compiler/test/beam_block_SUITE.erl index d343e26737..4bcb252833 100644 --- a/lib/compiler/test/beam_block_SUITE.erl +++ b/lib/compiler/test/beam_block_SUITE.erl @@ -21,7 +21,7 @@ -export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1, init_per_group/2,end_per_group/2, - get_map_elements/1,otp_7345/1]). + get_map_elements/1,otp_7345/1,move_opt_across_gc_bif/1]). %% The only test for the following functions is that %% the code compiles and is accepted by beam_validator. @@ -36,7 +36,8 @@ all() -> groups() -> [{p,[parallel], [get_map_elements, - otp_7345 + otp_7345, + move_opt_across_gc_bif ]}]. init_per_suite(Config) -> @@ -118,6 +119,22 @@ otp_7345(ObjRef, _RdEnv, Args) -> 10}, id(LlUnitdataReq). + +%% Doing move optimizations across GC bifs are in general not safe. +move_opt_across_gc_bif(_Config) -> + [0,true,1] = positive(speaking), + ok. + +positive(speaking) -> + try + Positive = 0, + [+Positive, case Positive of _ -> true end, paris([], Positive)] + after + mailing + end. + +paris([], P) -> P + 1. + %%% %%% The only test of the following code is that it compiles. %%% |