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author | Björn Gustavsson <[email protected]> | 2018-04-05 13:02:21 +0200 |
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committer | GitHub <[email protected]> | 2018-04-05 13:02:21 +0200 |
commit | 1328163db6d64d4a8309306cd4caeb43ffd5ecbb (patch) | |
tree | ea7fe430ab9e25a462e4928e6b61d38f700bc761 /lib/compiler/src | |
parent | a5dc5af3fe3b1e25f0596d71d3ac36291b0099dc (diff) | |
parent | 282fb67730e1bafe722e7149a35e272398f88b34 (diff) | |
download | otp-1328163db6d64d4a8309306cd4caeb43ffd5ecbb.tar.gz otp-1328163db6d64d4a8309306cd4caeb43ffd5ecbb.tar.bz2 otp-1328163db6d64d4a8309306cd4caeb43ffd5ecbb.zip |
Merge pull request #1769 from bjorng/bjorn/compiler/beam_utils
Fix unsafe optimization of record test
Diffstat (limited to 'lib/compiler/src')
-rw-r--r-- | lib/compiler/src/beam_utils.erl | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 047cd5a569..1ddad30328 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -655,9 +655,8 @@ check_liveness_at(R, Lbl, #live{lbl=Ll,res=ResMemorized}=St0) -> {Res,St#live{res=gb_trees:insert(Lbl, Res, St#live.res)}} end. -not_used({exit_not_used,St}) -> {not_used,St}; -not_used({killed,St}) -> {not_used,St}; -not_used({_,_}=Res) -> Res. +not_used({used,_}=Res) -> Res; +not_used({_,St}) -> {not_used,St}. check_liveness_ret(R, R, St) -> {used,St}; check_liveness_ret(_, _, St) -> {killed,St}. |