[Bug libstdc++/102447] std::regex incorrectly accepts invalid bracket expression

[rs2740 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102447

TC <rs2740 at gmail dot com> changed:

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                 CC|                            |rs2740 at gmail dot com

--- Comment #5 from TC <rs2740 at gmail dot com> ---
Hmm, but C++'s normative reference is to a 1999 version of ECMAScript...which
might well have the "legacy" behavior? (I haven't looked at it in detail.)