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Failures on [analysis_server] Drop interpolation braces in RemoveThisAlias....[vm,dyn_modules] Fix stack traces with interpreted implicit closures. #64603

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Description

@alexmarkov

There are new test failures on [analysis_server] Drop interpolation braces in RemoveThisAlias....[vm,dyn_modules] Fix stack traces with interpreted implicit closures..

The tests

vm/dart/awaiter_stacks/async_stacks_test/0 RuntimeError (expected Pass)
vm/dart/awaiter_stacks/async_stacks_test/1 RuntimeError (expected Pass)

are failing on configurations

vm-aot-dwarf-linux-product-x64
vm-aot-linux-product-x64
vm-aot-mac-product-arm64
STACK TRACE MISMATCH -----------------
GOT:
#0    throwSync (%test%)
#1    allYield3 (%test%)
<asynchronous suspension>
#2    allYield2 (%test%)
<asynchronous suspension>
#3    allYield (%test%)
<asynchronous suspension>
<asynchronous suspension>
#4    doTestAwaitThen (%test%)
<asynchronous suspension>
#5    runTest (harness.dart)
<asynchronous suspension>
#6    main (%test%)
<asynchronous suspension>
EXPECTED:
#0    throwSync (%test%)
#1    allYield3 (%test%)
<asynchronous suspension>
#2    allYield2 (%test%)
<asynchronous suspension>
#3    allYield (%test%)
<asynchronous suspension>
#4    doTestAwaitThen.<anonymous closure> (%test%)
<asynchronous suspension>
#5    doTestAwaitThen (%test%)
<asynchronous suspension>
#6    runTest (harness.dart)
<asynchronous suspension>
#7    main (%test%)
<asynchronous suspension>
--------------------------------------
To regenate expectations run:
$ out/ProductX64/dartaotruntime -Dupdate.expectations=true file:///b/s/w/ir/out/ProductX64/generated_compilations/vm-aot-linux-product-x64/runtime_tests_vm_dart_awaiter_stacks_async_stacks_test.dart_1/libout.so
--------------------------------------

--------------------------------------
RAW STACK:
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
pid: 262456, tid: 129334933190208, name DartWorker
os: linux arch: x64 comp: no sim: no
build_id: '26e9b936e6a32f28fdd0050b332ad4e95b4dc92b'
isolate_dso_base: 75a122f30000, vm_dso_base: 0
isolate_instructions: 75a122f31100, vm_instructions: 0
    #00 abs 000075a122fa249c _kDartSnapshotText+0x7139c
<asynchronous suspension>
    #01 abs 000075a122fa2441 _kDartSnapshotText+0x71341
<asynchronous suspension>
    #02 abs 000075a122fa23e1 _kDartSnapshotText+0x712e1
<asynchronous suspension>
    #03 abs 000075a122fa4708 _kDartSnapshotText+0x73608
<asynchronous suspension>
    #04 abs 000075a122fa0712 _kDartSnapshotText+0x6f612
<asynchronous suspension>
    #05 abs 000075a122f9cb70 _kDartSnapshotText+0x6ba70
<asynchronous suspension>
    #06 abs 000075a122f9cab6 _kDartSnapshotText+0x6b9b6
<asynchronous suspension>

--------------------------------------

stderr:
Unhandled exception:
Expect.equals(expected: <15>, actual: <14>, 'wrong number of frames') fails.
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
pid: 262456, tid: 129334940782656, name Dart_Initialize
os: linux arch: x64 comp: no sim: no
build_id: '26e9b936e6a32f28fdd0050b332ad4e95b4dc92b'
isolate_dso_base: 75a122f30000, vm_dso_base: 0
isolate_instructions: 75a122f31100, vm_instructions: 0
    #00 abs 000075a122f7eaad _kDartSnapshotText+0x4d9ad
    #01 abs 000075a122f7e681 _kDartSnapshotText+0x4d581
    #02 abs 000075a122f7ef71 _kDartSnapshotText+0x4de71
    #03 abs 000075a122f9cead _kDartSnapshotText+0x6bdad
<asynchronous suspension>
    #04 abs 000075a122f9cb92 _kDartSnapshotText+0x6ba92
<asynchronous suspension>
    #05 abs 000075a122f9cab6 _kDartSnapshotText+0x6b9b6
<asynchronous suspension>

--- Re-run this test:
python3 tools/test.py -n vm-aot-linux-product-x64 vm/dart/awaiter_stacks/async_stacks_test/1

https://dart-ci.appspot.com/log/vm-aot-linux-product-x64/vm-aot-linux-product-x64/1177/vm/dart/awaiter_stacks/async_stacks_test/1

Activity

  1. added
    area-vmUse area-vm for VM related issues, including code coverage, and the AOT and JIT backends.
    on Oct 15, 2026
  2. alexmarkov commented on Oct 15, 2026

    @alexmarkov
    ContributorAuthor
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