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from 93e79ed391b libstdc++: Rewrite std::call_once to use futexes [PR 66146] new a2058f5812b Add missing non-NULL check in cgraphclones new ed7f9957bbb c++: DR2303, ambiguous base deduction [PR97453] new 9f925f3b198 libstdc++: Refactor std::call_once internals new 875225301e3 c++: Don't try to parse a function declaration as deduction [...] new 12d05123053 libstdc++: Add mising gnu-versioned-namespace symbols new fab72592d86 [OpenACC] Use proper location to 'inform' of enclosing pare [...] new e1276e33429 libstdc++: Ensure std::lock_guard is declared new e7144372e06 c++: Not all character types are byte-access types. new ab4664eb73f Fix copying of clone_info while reshaping clone tree. new 2e391ceb77b Add testcase for pr97695

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Summary of changes: gcc/cgraph.c | 12 +- gcc/cgraph.h | 4 +- gcc/cgraphclones.c | 8 +- gcc/cp/parser.c | 1 + gcc/cp/pt.c | 16 +- gcc/cp/tree.c | 5 +- gcc/omp-low.c | 2 +- gcc/symtab-clones.cc | 18 +- gcc/symtab.c | 7 +- gcc/testsuite/c-c++-common/goacc/pr92793-1.c | 58 +++++- gcc/testsuite/g++.dg/DRs/dr2303.C | 37 ++++ gcc/testsuite/g++.dg/Wclass-memaccess.C | 209 ++++++++++++++++++++- gcc/testsuite/g++.dg/cpp1z/class-deduction75.C | 15 ++ gcc/testsuite/gcc.c-torture/execute/pr97695.c | 20 ++ gcc/testsuite/gfortran.dg/goacc/pr92793-1.f90 | 55 +++++- gcc/varpool.c | 2 +- .../config/abi/pre/gnu-versioned-namespace.ver | 4 + libstdc++-v3/include/std/syncstream | 5 +- libstdc++-v3/src/c++11/mutex.cc | 68 ++++--- 19 files changed, 468 insertions(+), 78 deletions(-) create mode 100644 gcc/testsuite/g++.dg/DRs/dr2303.C create mode 100644 gcc/testsuite/g++.dg/cpp1z/class-deduction75.C create mode 100644 gcc/testsuite/gcc.c-torture/execute/pr97695.c