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This adds some debug assertions to basic_regex. They don't actually diagnose the error in the PR yet, but I have another patch to make them more effective. Also change the __glibcxx_assert(false) consistency checks to include a string literal that tells the user a bit more about why the process aborted. We could consider adding a __glibcxx_bug or __glibcxx_internal_error macro for this purpose, but ideally we'll never hit such bugs anyway so it shouldn't be needed. libstdc++-v3/ChangeLog: PR libstdc++/89927 * include/bits/regex.h (basic_regex(const _Ch_type*, size_t)): Add __glibcxx_requires_string_len assertion. (basic_regex::assign(InputIterator, InputIterator)): Add __glibcxx_requires_valid_range assertion. * include/bits/regex_scanner.tcc (_Scanner::_M_advance()) (_Scanner::_M_scan_normal()): Use string literal in assertions. |
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file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.