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| author | Lukas Larsson <[email protected]> | 2017-07-19 17:01:02 +0200 |
|---|---|---|
| committer | John Högberg <[email protected]> | 2017-08-16 13:31:32 +0200 |
| commit | 9beb6d48a12ae4e7abdacbed42b5269121f2fee7 (patch) | |
| tree | c29ed91ab5217c225403bc5def09c18df53521ba | |
| parent | b6d68726e39b13721fe7cce77b0a2ef90bdc53c9 (diff) | |
| download | otp-9beb6d48a12ae4e7abdacbed42b5269121f2fee7.tar.gz otp-9beb6d48a12ae4e7abdacbed42b5269121f2fee7.tar.bz2 otp-9beb6d48a12ae4e7abdacbed42b5269121f2fee7.zip | |
compiler: Fix live regs update on allocate in validator
The state without pruned registers was passed on to test_heap
causing the validator to belive registers that aren't live
actually are live.
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 16dba35adc..69e34f76b0 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -921,9 +921,9 @@ verify_call_match_context(Lbl, Ctx, #vst{ft=Ft}) -> error({unsuitable_bs_start_match2,I}) end. -allocate(Zero, Stk, Heap, Live, #vst{current=#st{numy=none}=St}=Vst0) -> +allocate(Zero, Stk, Heap, Live, #vst{current=#st{numy=none}}=Vst0) -> verify_live(Live, Vst0), - Vst = prune_x_regs(Live, Vst0), + Vst = #vst{current=St} = prune_x_regs(Live, Vst0), Ys = init_regs(Stk, case Zero of true -> initialized; false -> uninitialized |