[parity] node:vm — 47 failing node-suite tests (2026-07-22 baseline)

[TheHypnoo]

Part of the node-suite parity sweep of 2026-07-22 (full run: 3,815 tests, 3,019 pass, 79.1% — report test-parity/reports/parity_report_20260722_120605.json, oracle Node 26.5.0 per .node-version). Umbrella: #793.

node:vm has 47 failing test(s) in test-parity/node-suite/vm/.

Reproduce:

./run_parity_tests.sh --suite node-suite --module vm

Failing tests

• node-suite/vm/api/descriptors — output mismatch
  • Node: Script: 0 true false true function
  • Perry: Script: 0 true true true function
• node-suite/vm/api/exports-and-constants — output mismatch
  • Node: exports: Script:function,compileFunction:function,constants:object,createContext:function,createScript:function,isContext:function,measureMemory:function,runInContext:function,runInNewContext:function,runInThisContext:function
  • Perry: exports: Script:function,compileFunction:function,constants:object,createContext:function,createScript:function,isContext:function,measureMemory:function,runInContext:function,runInNewContext:function,runInThisContext:function
• node-suite/vm/compile-function/arguments-and-receiver — output mismatch
  • Node: length: 2
  • Perry: length: 2
• node-suite/vm/compile-function/context-extensions — output mismatch
  • Node: result: 27
  • Perry: result: NaN
• node-suite/vm/compile-function/extension-precedence — output mismatch
  • Node: precedence: left:second:right:context
  • Perry: precedence: undefined:undefined:undefined:context
• node-suite/vm/compile-function/syntax-errors — output mismatch
  • Node: unexpected token: SyntaxError -
  • Perry: unexpected token: ok
• node-suite/vm/compile-function/to-string — output mismatch
  • Node: shape: true
  • Perry: shape: false
• node-suite/vm/compile-function/validation — output mismatch
  • Node: missing code: TypeError ERR_INVALID_ARG_TYPE
  • Perry: missing code: TypeError ERR_INVALID_ARG_TYPE
• node-suite/vm/context/code-generation-strings — output mismatch
  • Node: eval: EvalError -
  • Perry: eval: undefined
• node-suite/vm/context/create-context-array — output mismatch
  • Node: identity: true
  • Perry: TypeError: The "object" argument must be of type object. Received an instance of Array
• node-suite/vm/context/dont-contextify — output mismatch
  • Node: marker: true
  • Perry: marker: true
• node-suite/vm/context/function-bindings — output mismatch
  • Node: declare: 15
  • Perry: declare: NaN
• node-suite/vm/context/global-object-forwarding — output mismatch
  • Node: identity: false
  • Perry: identity: true
• node-suite/vm/context/microtask-mode — output mismatch
  • Node: after evaluate: 2
  • Perry: after evaluate: 1
• node-suite/vm/context/options-validation — output mismatch
  • Node: codeGeneration null: TypeError ERR_INVALID_ARG_TYPE
  • Perry: codeGeneration null: ok
• node-suite/vm/context/properties/define-property — output mismatch
  • Node: values: 8 20
  • Perry: values: undefined undefined
• node-suite/vm/context/properties/deletion — output mismatch
  • Node: delete result: true
  • Perry: delete result: undefined
• node-suite/vm/context/properties/descriptors — output mismatch
  • Node: value: 7
  • Perry: value: undefined
• node-suite/vm/context/properties/non-writable — output mismatch
  • Node: sloppy: 11
  • Perry: sloppy: TypeError -
• node-suite/vm/context/properties/own-key-enumeration — output mismatch
  • Node: keys: true false
  • Perry: keys: undefined undefined
• node-suite/vm/context/properties/symbol-keys — output mismatch
  • Node: forwarded symbols: true true
  • Perry: forwarded symbols: undefined undefined
• node-suite/vm/context/run-new-code-generation — output mismatch
  • Node: disabled: EvalError -
  • Perry: disabled: ok
• node-suite/vm/cross-context/builtin-identity — output mismatch
  • Node: Object: function false
  • Perry: Object: undefined false
• node-suite/vm/cross-context/descriptors — output mismatch
  • Node: flags: true true true
  • Perry: flags: undefined undefined undefined
• node-suite/vm/cross-context/promises — output mismatch
  • Node: thenable: function false
  • Perry: thenable: undefined false
• node-suite/vm/cross-context/structured-values — output mismatch
  • Node: object: 1 false
  • Perry: object: 1 true
• node-suite/vm/execution/context-lexicals — output mismatch
  • Node: declare: 7
  • Perry: declare: 7
• node-suite/vm/execution/create-script-alias — output mismatch
  • Node: instances: true true
  • Perry: instances: false false
• node-suite/vm/execution/function-receiver — output mismatch
  • Node: main undefined call: true
  • Perry: main undefined call: true
• node-suite/vm/execution/run-in-context-mutations — output mismatch
  • Node: first: 2
  • Perry: first: 2
• node-suite/vm/execution/run-in-new-isolation — output mismatch
  • Node: result: undefined:undefined
  • Perry: result: undefined:undefined
• node-suite/vm/execution/run-in-this-bindings — output mismatch
  • Node: read: 4
  • Perry: read: 4
• node-suite/vm/modules/constructor-validation — output mismatch
  • Node: source call: TypeError -
  • Perry: source call: ok
• node-suite/vm/modules/context-and-namespace — output mismatch
  • Node: initial: unlinked context-module
  • Perry: initial: unlinked context-module
• node-suite/vm/modules/evaluation-error — output mismatch
  • Node: evaluate: TypeError -
  • Perry: evaluate: ok
• node-suite/vm/modules/lifecycle — output mismatch
  • Node: module keys Module,SourceTextModule,SyntheticModule
  • Perry: module keys Module,SourceTextModule,SyntheticModule
• node-suite/vm/modules/repeated-evaluate — output mismatch
  • Node: first promise: function
  • Perry: first promise: undefined
• node-suite/vm/modules/source-syntax-errors — output mismatch
  • Node: export: SyntaxError -
  • Perry: export: ok
• node-suite/vm/script/constructor-validation — output mismatch
  • Node: call: TypeError -
  • Perry: call: TypeError -
• node-suite/vm/script/display-errors — output mismatch
  • Node: display true: RangeError - true
  • Perry: display true: ok
• node-suite/vm/script/error-metadata — output mismatch
  • Node: syntax filename: SyntaxError - true
  • Perry: syntax filename: ok
• node-suite/vm/script/fresh-contexts — output mismatch
  • Node: fresh: 1 1
  • Perry: fresh: undefined undefined
• node-suite/vm/script/run-options-validation — output mismatch
  • Node: this options: TypeError ERR_INVALID_ARG_TYPE
  • Perry: this options: ok
• node-suite/vm/script/string-filename-option — output mismatch
  • Node: Script: true
  • Perry: Script: false
• node-suite/vm/validation/code-and-options — output mismatch
  • Node: Script code: ok
  • Perry: Script code: ok
• node-suite/vm/validation/create-context — output mismatch
  • Node: sandbox null: TypeError ERR_INVALID_ARG_TYPE
  • Perry: sandbox null: TypeError ERR_INVALID_ARG_TYPE
• node-suite/vm/validation/is-context — output mismatch
  • Node: undefined: TypeError ERR_INVALID_ARG_TYPE
  • Perry: undefined: false