pkg/vm_snapshot_analysis/test/instruction_sizes_test is failing on unittest-asserts-release-linux-arm64

[aam]

starting with https://dart.googlesource.com/sdk/+/2c715e92b66e108c1ee5bf837ff4a5c5860dce40

--- Command "vm" (took 27.000350s):
DART_CONFIGURATION=ReleaseARM64 out/ReleaseARM64/dart-sdk/bin/dart --enable_asserts -Dtest_runner.configuration=unittest-asserts-release-linux-arm64 --ignore-unrecognized-flags --packages=/b/s/w/ir/.dart_tool/package_config.json /b/s/w/ir/pkg/vm_snapshot_analysis/test/instruction_sizes_test.dart

exit code:
255

stdout:
00:00 �[32m+0�[0m: no-size-impact --print_instructions_sizes_to�[0m

00:02 �[32m+1�[0m: no-size-impact --write_v8_snapshot_profile_to�[0m

00:04 �[32m+2�[0m: instruction-sizes basic-parsing�[0m

00:05 �[32m+3�[0m: instruction-sizes program-info-from-sizes�[0m

00:06 �[32m+4�[0m: instruction-sizes histograms�[0m

00:07 �[32m+5�[0m: instruction-sizes histograms-filter�[0m

00:08 �[32m+6�[0m: instruction-sizes diff�[0m

00:10 �[32m+7�[0m: instruction-sizes diff-collapsed�[0m

00:12 �[32m+8�[0m: v8-profile program-info-from-profile�[0m

00:13 �[32m+9�[0m: v8-profile instruction ownership is preserved�[0m

00:16 �[32m+10�[0m: v8-profile histograms�[0m

00:17 �[32m+11�[0m: v8-profile diff�[0m

00:19 �[32m+12�[0m: v8-profile diff-collapsed�[0m

00:22 �[32m+12�[0m�[31m -1�[0m: v8-profile diff-collapsed �[1m�[31m[E]�[0m�[0m

  Expected: {
              'package:input': {
                '#type': 'package',
                'package:input/input.dart': {
                  '#type': 'library',
                  '::': {
                    '#type': 'class',
                    'makeSomeClosures': {
                      '#type': 'function',
                      '#size': <a value less than <0>>,
                      '<anonymous closure>': {'#type': 'function', '#size': <a value less than <0>>}
                    }
                  }
                }
              }
            }
    Actual: {
              'package:input': {
                'package:input/input.dart': {
                  '::': {
                    'makeSomeClosures': {
                      '<anonymous closure>': {'#size': -261, '#type': 'function'},
                      '#type': 'function'
                    },
                    '#type': 'class'
                  },
                  '#type': 'library'
                },
                '#type': 'package'
              }
            }
     Which: at location ['package:input']['package:input/input.dart']['::']['makeSomeClosures'] is {
              '<anonymous closure>': {'#size': -261, '#type': 'function'},
              '#type': 'function'
            } which has different length and is missing map key '#size'
  

  package:matcher/src/expect/expect.dart 187:31                     fail
  package:matcher/src/expect/expect.dart 182:3                      _expect
  package:matcher/src/expect/expect.dart 65:3                       expect
  pkg/vm_snapshot_analysis/test/instruction_sizes_test.dart 798:11  main.<fn>.<fn>.<fn>.<fn>
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/utils.dart 98:5                     withFlagImpl.<fn>
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/utils.dart 109:5                    withTempDir
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/instruction_sizes_test.dart 789:9   main.<fn>.<fn>.<fn>
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/utils.dart 98:5                     withFlagImpl.<fn>
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/utils.dart 109:5                    withTempDir
  ===== asynchronous gap ===========================
  pkg/vm_snapshot_analysis/test/instruction_sizes_test.dart 788:7   main.<fn>.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/declarer.dart 253:15                 Declarer.test.<fn>.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/declarer.dart 250:11                 Declarer.test.<fn>
  ===== asynchronous gap ===========================
  package:test_api/src/backend/invoker.dart 318:9                   Invoker._waitForOutstandingCallbacks.<fn>
  

00:22 �[32m+12�[0m�[31m -1�[0m: v8-profile treemap�[0m

00:23 �[32m+13�[0m�[31m -1�[0m: v8-profile dominators�[0m

00:24 �[32m+14�[0m�[31m -1�[0m: �[31mSome tests failed.�[0m



Consider enabling the flag chain-stack-traces to receive more detailed exceptions.
For example, 'dart test --chain-stack-traces'.

stderr:
Unhandled exception:
Dummy exception to set exit code.

--- Re-run this test:
python3 tools/test.py -n unittest-asserts-release-linux-arm64 pkg/vm_snapshot_analysis/test/instruction_sizes_test