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| author | Björn Gustavsson <[email protected]> | 2013-06-03 11:53:37 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2013-06-03 11:53:37 +0200 |
| commit | 7a1cf0d233d8e3981f1e4a822aa1837591697c3a (patch) | |
| tree | e1c852da8dd1d0e12bf9aa5546eb48a19df79415 /lib/compiler/src/beam_utils.erl | |
| parent | 7417446d0e3c4e5e5a15f60b1879cabef1e26408 (diff) | |
| parent | 2b1bf52eb71f0305247f95d4b10ba49a271a458c (diff) | |
| download | otp-7a1cf0d233d8e3981f1e4a822aa1837591697c3a.tar.gz otp-7a1cf0d233d8e3981f1e4a822aa1837591697c3a.tar.bz2 otp-7a1cf0d233d8e3981f1e4a822aa1837591697c3a.zip | |
Merge branch 'bjorn/compiler/fix-compiler-crash/OTP-11119' into maint
* bjorn/compiler/fix-compiler-crash/OTP-11119:
compiler: Correct liveness optimization for wait/1
Diffstat (limited to 'lib/compiler/src/beam_utils.erl')
| -rw-r--r-- | lib/compiler/src/beam_utils.erl | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 554c14f57a..e623bcc6a5 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -734,6 +734,8 @@ live_opt([{loop_rec,_Fail,_Dst}=I|Is], _, D, Acc) -> live_opt(Is, 0, D, [I|Acc]); live_opt([timeout=I|Is], _, D, Acc) -> live_opt(Is, 0, D, [I|Acc]); +live_opt([{wait,_}=I|Is], _, D, Acc) -> + live_opt(Is, 0, D, [I|Acc]); %% Transparent instructions - they neither use nor modify x registers. live_opt([{deallocate,_}=I|Is], Regs, D, Acc) -> @@ -744,8 +746,6 @@ live_opt([{try_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{loop_rec_end,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); -live_opt([{wait,_}=I|Is], Regs, D, Acc) -> - live_opt(Is, Regs, D, [I|Acc]); live_opt([{wait_timeout,_,{Tag,_}}=I|Is], Regs, D, Acc) when Tag =/= x -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{line,_}=I|Is], Regs, D, Acc) -> |