[lib-c++] Bug 42199 - Wrong implementation for match_prev_avail

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[lib-c++] Bug 42199 - Wrong implementation for match_prev_avail

Fangrui Song via cfe-dev
Hi,

I have a small patch stalled for fixing a libc++ bug when using the flag
regex_constants::match_prev_avail.
By the specification, it's use should ignore the flags match_not_bol |
match_not_bow.

https://reviews.llvm.org/D75622

Any comments would be appreciated.

Regards

Diogo

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Re: [lib-c++] Bug 42199 - Wrong implementation for match_prev_avail

Fangrui Song via cfe-dev
(moving to libcxx-dev)

´╗┐On 4/28/20, 2:12 AM, "cfe-dev on behalf of Diogo Sampaio via cfe-dev" <[hidden email] on behalf of [hidden email]> wrote:

    Hi,

    I have a small patch stalled for fixing a libc++ bug when using the flag
    regex_constants::match_prev_avail.
    By the specification, it's use should ignore the flags match_not_bol |
    match_not_bow.

    https://urldefense.proofpoint.com/v2/url?u=https-3A__reviews.llvm.org_D75622&d=DwIGaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=GmcYFJ31C1h0wGEg3ZNjw-LXM1m7sBNQamJ6A-g_Z1E&s=tZJizGRlIfOeMRQ_Bsl4UOT59sZthUCHQgwdX-uLF88&e= 

    Any comments would be appreciated.

    Regards

    Diogo

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    https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.llvm.org_cgi-2Dbin_mailman_listinfo_cfe-2Ddev&d=DwIGaQ&c=5VD0RTtNlTh3ycd41b3MUw&r=o3kDXzdBUE3ljQXKeTWOMw&m=GmcYFJ31C1h0wGEg3ZNjw-LXM1m7sBNQamJ6A-g_Z1E&s=LaEmOSFm7Bk4f0akXftzsVoawvX4j2ecvuzggjX3jG0&e= 

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