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from 000bee388be Merge commit '84110515b93' into devel/c++-modules new 65165eb3f83 Add -f[no-]header-guard-opt

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Summary of changes: gcc/c-family/c-opts.c | 4 +++ gcc/c-family/c.opt | 4 +++ gcc/cp/module.cc | 32 +++++++++++++--------- gcc/doc/cppopts.texi | 14 ++++++++++ gcc/testsuite/c-c++-common/cpp/headerguard.c | 8 ++++++ gcc/testsuite/c-c++-common/cpp/noheaderguard-a.h | 3 ++ gcc/testsuite/c-c++-common/cpp/noheaderguard-b.h | 4 +++ gcc/testsuite/c-c++-common/cpp/noheaderguard.c | 9 ++++++ .../modules/{pragma-1_a.H => noheaderguard-1_a.H} | 5 ++-- gcc/testsuite/g++.dg/modules/noheaderguard-1_b.C | 7 +++++ gcc/testsuite/g++.dg/modules/noheaderguard-1_c.C | 7 +++++ libcpp/files.c | 25 +++++++++++++---- libcpp/include/cpplib.h | 3 ++ 13 files changed, 104 insertions(+), 21 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/cpp/headerguard.c create mode 100644 gcc/testsuite/c-c++-common/cpp/noheaderguard-a.h create mode 100644 gcc/testsuite/c-c++-common/cpp/noheaderguard-b.h create mode 100644 gcc/testsuite/c-c++-common/cpp/noheaderguard.c copy gcc/testsuite/g++.dg/modules/{pragma-1_a.H => noheaderguard-1_a.H} (56%) create mode 100644 gcc/testsuite/g++.dg/modules/noheaderguard-1_b.C create mode 100644 gcc/testsuite/g++.dg/modules/noheaderguard-1_c.C