René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"nodejs 24.0.1 tries and fails to link v8's maglev on s390x","articleBody":"### Version\n\n24.0.1\n\n### Platform\n\n```text\nLinux ce914293929347cba01065b95f8f20e8 6.15.4-200.fc42.x86_64 #1 SMP PREEMPT_DYNAMIC Fri Jun 27 15:32:46 UTC 2025 s390x GNU/Linux\n```\n\n### Subsystem\n\n_No response_\n\n### What steps will reproduce the bug?\n\nTry to build nodejs 24.0.1 on s390x without touching any configure options specifically mentioning v8 or it's maglev subsystem.\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\nNode compiles and links into usable artifacts.\n\n### What do you see instead?\n\nThe compilation proceeds up until trying to link v8, at which point `ld` fails with bunch of duplicate definitions in maglev. One example for all:\n\n```\n/usr/bin/ld: obj/tools/v8_gypfiles/../../deps/v8/src/maglev/v8_compiler.maglev-compilation-info.o (symbol from plugin): in function `v8::internal::maglev::MaglevCompilationInfo::ReopenAndCanonicalizeHandlesInNewScope(v8::internal::Isolate*)':\n(.text+0x0): multiple definition of `v8::internal::maglev::MaglevCompilationInfo::ReopenAndCanonicalizeHandlesInNewScope(v8::internal::Isolate*)'; obj/tools/v8_gypfiles/../../deps/v8/src/maglev/v8_base_without_compiler.maglev-compilation-info.o:/builddir/build/BUILD/nodejs24-24.0.1-build/node-v24.0.1/out/Release/../../deps/v8/src/maglev/maglev-compilation-info.cc:162: first defined here\n```\n\nThe full build log: [nodejs24-s390x-maglev-builder-live.log.gz](https://github.com/user-attachments/files/21056437/nodejs24-s390x-maglev-builder-live.log.gz)\n\n### Additional information\n\n* The issue does not manifest on x86_64.\n* The issue does not manifest on v22, namely version 22.17.0 compiles and links successfully in the same environment and with the same configuration options.\n* According to `configure.py` output, `'v8_enable_maglev': 0`, but the sources are still compiled and attempted to be linked.\n* I don't need maglev to work on s390x; disabling it's compilation properly is acceptable outcome.","author":{"url":"https://github.com/khardix","@type":"Person","name":"khardix"},"datePublished":"2025-07-04T11:37:26.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/58954/node/issues/58954"}