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from 66168f96f07 dwarf: new dwarf_debuginfo_p predicate new ee336ecb2a7 c++: Add new warning options for C++ language mismatches new 6b42b5a8a20 libstdc++: Use __builtin_unreachable for constexpr assertio [...] new 64ba45c76e8 libstdc++: Do not use static_assert without message in C++11

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Summary of changes: gcc/c-family/c.opt | 20 ++++ gcc/cp/call.c | 5 +- gcc/cp/decl.c | 14 +-- gcc/cp/error.c | 37 ++++---- gcc/cp/parser.c | 104 ++++++++++++--------- gcc/cp/pt.c | 2 +- gcc/doc/invoke.texi | 39 +++++++- libstdc++-v3/include/bits/c++config | 40 ++++---- libstdc++-v3/include/bits/random.tcc | 8 +- libstdc++-v3/include/debug/macros.h | 4 +- .../element_access/char/back_constexpr_neg.cc | 2 +- .../element_access/char/constexpr_neg.cc | 2 +- .../element_access/char/front_constexpr_neg.cc | 2 +- .../element_access/wchar_t/back_constexpr_neg.cc | 2 +- .../element_access/wchar_t/constexpr_neg.cc | 2 +- .../element_access/wchar_t/front_constexpr_neg.cc | 2 +- .../testsuite/23_containers/span/back_neg.cc | 2 +- .../testsuite/23_containers/span/front_neg.cc | 2 +- .../testsuite/23_containers/span/index_op_neg.cc | 2 +- 19 files changed, 179 insertions(+), 112 deletions(-)