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from 384faebde25 genmatch: Revert recent genmatch changes, instead add custo [...] new ac615e10471 libcpp: Add -Wtrailing-blanks warning

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Summary of changes: gcc/c-family/c.opt | 20 ++++++++ gcc/c-family/c.opt.urls | 6 +++ gcc/doc/invoke.texi | 18 ++++++- .../c-c++-common/cpp/Wtrailing-whitespace-1.c | 37 ++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-10.c | 29 +++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-2.c | 37 ++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-3.c | 43 +++++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-4.c | 28 +++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-5.c | 28 +++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-6.c | 38 +++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-7.c | 38 +++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-8.c | 44 +++++++++++++++++ .../c-c++-common/cpp/Wtrailing-whitespace-9.c | 29 +++++++++++ libcpp/include/cpplib.h | 6 ++- libcpp/internal.h | 4 +- libcpp/lex.cc | 56 +++++++++++++++++----- 16 files changed, 444 insertions(+), 17 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-1.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-10.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-2.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-3.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-4.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-5.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-6.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-7.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-8.c create mode 100644 gcc/testsuite/c-c++-common/cpp/Wtrailing-whitespace-9.c