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unknown user pushed a change to branch master in repository gcc.

from 07a767c7a50 libcody: Make it buildable by C++11 to C++26 new 72afe64d347 libstdc++: Remove no_pch from tests that shouldn't depend on PCH new e8cf136b1a2 libstdc++: Include <ostream> in <regex> for debug mode new 01b8c6ffbd3 libstdc++: Update some old docs about predefined feature macros new 0d4ab66aaf1 libstdc++: Implement P3223R2 Making std::istream::ignore le [...] new 1725567dfce libstdc++: Implement LWG 4406 and LWG 3424 for std::optiona [...] new fe3c8455d07 libstdc++: fix dead links in doc

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Summary of changes: libstdc++-v3/doc/html/faq.html | 32 +++++++++++---------- libstdc++-v3/doc/html/manual/internals.html | 14 --------- libstdc++-v3/doc/html/manual/using_exceptions.html | 2 +- libstdc++-v3/doc/xml/faq.xml | 33 ++++++++++++---------- libstdc++-v3/doc/xml/manual/internals.xml | 16 ----------- libstdc++-v3/doc/xml/manual/using_exceptions.xml | 2 +- libstdc++-v3/include/bits/regex_automaton.tcc | 4 +++ libstdc++-v3/include/std/expected | 18 +++++++----- libstdc++-v3/include/std/istream | 12 +++++++- libstdc++-v3/include/std/optional | 28 ++++++++++-------- .../testsuite/23_containers/vector/debug/erase.cc | 1 - .../vector/debug/invalidation/erase.cc | 1 - .../testsuite/27_io/basic_istream/ignore/char/4.cc | 22 +++++++++++++++ .../27_io/basic_istream/ignore/char/93672.cc | 8 +++--- 14 files changed, 105 insertions(+), 88 deletions(-) create mode 100644 libstdc++-v3/testsuite/27_io/basic_istream/ignore/char/4.cc