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from 813ca3de452 Daily bump. new 8250987299d libstdc++: Avoid aliasing violation in std::valarray [PR99117] new f3878885b1a libstdc++: Teach optimizer that empty COW strings are empty [...]

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Summary of changes: libstdc++-v3/include/bits/cow_string.h | 11 +++++++++-- libstdc++-v3/include/std/valarray | 8 +++++++- libstdc++-v3/testsuite/26_numerics/valarray/99117.cc | 17 +++++++++++++++++ 3 files changed, 33 insertions(+), 3 deletions(-) create mode 100644 libstdc++-v3/testsuite/26_numerics/valarray/99117.cc