René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"V8 warnings crash process within DisallowJavascriptExecutionScope","articleBody":"### Version\n\n27.0.0-pre\n\n### Platform\n\n```text\n*\n```\n\n### Subsystem\n\n_No response_\n\n### What steps will reproduce the bug?\n\nFor example, enter the reproduction from #24365 inside REPL with previews on, which evaluates the final expression via the inspector:\n\n```js\nfunction AsmModule() {\n  'use asm';\n  function add(a, b) {\n    a = a | 0;\n    b = b | 0;\n    return a + b;\n  }\n}\nAsmModule();\n```\n\n### How often does it reproduce? Is there a required condition?\n\nAlways.\n\n### What is the expected behavior? Why is that the expected behavior?\n\nEither print the V8 warning, or do nothing.\n\n### What do you see instead?\n\n```\n#\n# Fatal error in , line 0\n# Invoke in DisallowJavascriptExecutionScope\n#\n#\n#\n#FailureMessage Object: 0x7ffd6a1b7cd0\n----- Native stack trace -----\n\n 1: 0xa3daa1  [node]\n 2: 0x278ece1 V8_Fatal(char const*, ...) [node]\n 3: 0xdb70cd  [node]\n 4: 0xdb6465  [node]\n 5: 0xc4d00b v8::Function::Call(v8::Isolate*, v8::Local\u003cv8::Context\u003e, v8::Local\u003cv8::Value\u003e, int, v8::Local\u003cv8::Value\u003e*) [node]\n 6: 0xa4304c node::ProcessEmitWarningGeneric(node::Environment*, std::basic_string_view\u003cchar, std::char_traits\u003cchar\u003e \u003e, std::basic_string_view\u003cchar, std::char_traits\u003cchar\u003e \u003e, std::basic_string_view\u003cchar, std::char_traits\u003cchar\u003e \u003e) [node]\n 7: 0x998ee6 node::errors::PerIsolateMessageListener(v8::Local\u003cv8::Message\u003e, v8::Local\u003cv8::Value\u003e) [node]\n 8: 0xde02c0  [node]\n 9: 0x126f67e  [node]\n10: 0xccb062  [node]\n11: 0xccc4ee  [node]\n12: 0xccce5b  [node]\n13: 0xd4dc95  [node]\n14: 0x132d963  [node]\n15: 0x1a46a76  [node]\n```\n\n### Additional information\n\n_No response_","author":{"url":"https://github.com/Renegade334","@type":"Person","name":"Renegade334"},"datePublished":"2026-05-21T14:11:38.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/63473/node/issues/63473"}