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from 670961f051a Improve compute_control_dep_chain path finding new eb4879ab905 c++: Implement C++23 P2071R2 - Named universal character es [...] new 530dc5aaaeb internal-fn, tree-cfg: Fix .TRAP handling and another __bui [...]

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Summary of changes: gcc/c-family/c-cppbuiltin.cc | 1 + gcc/internal-fn.def | 3 +- gcc/testsuite/c-c++-common/Wbidi-chars-25.c | 28 + .../cpp/named-universal-char-escape-1.c | 174 + ...ape-seq-2.c => named-universal-char-escape-2.c} | 6 +- .../cpp/named-universal-char-escape-3.c | 22 + .../cpp/named-universal-char-escape-4.c | 60 + .../g++.dg/cpp/named-universal-char-escape-1.C | 6 + .../g++.dg/cpp/named-universal-char-escape-2.C | 6 + gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C | 6 + .../gcc.dg/cpp/named-universal-char-escape-1.c | 8 + .../gcc.dg/cpp/named-universal-char-escape-2.c | 8 + gcc/testsuite/gcc.dg/pr106099.c | 10 + gcc/tree-cfg.cc | 14 +- libcpp/charset.cc | 535 +- libcpp/lex.cc | 75 +- libcpp/makeuname2c.cc | 793 + libcpp/uname2c.h | 18256 +++++++++++++++++++ 18 files changed, 19943 insertions(+), 68 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wbidi-chars-25.c create mode 100644 gcc/testsuite/c-c++-common/cpp/named-universal-char-escape-1.c copy gcc/testsuite/c-c++-common/cpp/{delimited-escape-seq-2.c => named-universal-c [...] create mode 100644 gcc/testsuite/c-c++-common/cpp/named-universal-char-escape-3.c create mode 100644 gcc/testsuite/c-c++-common/cpp/named-universal-char-escape-4.c create mode 100644 gcc/testsuite/g++.dg/cpp/named-universal-char-escape-1.C create mode 100644 gcc/testsuite/g++.dg/cpp/named-universal-char-escape-2.C create mode 100644 gcc/testsuite/gcc.dg/cpp/named-universal-char-escape-1.c create mode 100644 gcc/testsuite/gcc.dg/cpp/named-universal-char-escape-2.c create mode 100644 gcc/testsuite/gcc.dg/pr106099.c create mode 100644 libcpp/makeuname2c.cc create mode 100644 libcpp/uname2c.h