https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106818
Bug ID: 106818 Summary: code is genereated differently with or without 'extern' Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: pangbw at gmail dot com Target Milestone: --- Just wondering why GCC would generate such different code: https://godbolt.org/z/ncE5sWYe8