https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102445 Bug 102445 depends on bug 109993, which changed state.
Bug 109993 Summary: std::regex("\\a", std::regex::basic) does not diagnose
invalid BRE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109993
What |Removed |Added
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Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
