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from af0f682af31 Improve _GLIBCXX_DEBUG safe iterator range size computation. new dccbef94335 2019-10-04 Steven G. Kargl kargl@gcc.gnu.org new 2beadd91932 gcc/ChangeLog: new 1c3ff0924f0 PR middle-end/91977 - missing -Wstringop-overflow on memcpy [...]

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Summary of changes: gcc/ChangeLog | 14 ++ gcc/builtins.c | 2 +- gcc/fortran/ChangeLog | 5 + gcc/fortran/decl.c | 60 ++++--- gcc/testsuite/ChangeLog | 14 ++ gcc/testsuite/gcc.dg/Warray-bounds-18.c | 2 +- gcc/testsuite/gcc.dg/Wstringop-overflow-17.c | 20 +++ gcc/testsuite/gcc.dg/Wstringop-overflow-18.c | 239 +++++++++++++++++++++++++++ gcc/testsuite/gfortran.dg/pr91959.f90 | 9 + gcc/tree-object-size.c | 33 ++-- gcc/tree-object-size.h | 3 +- gcc/tree-ssa-strlen.c | 75 +++++---- 12 files changed, 406 insertions(+), 70 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/Wstringop-overflow-17.c create mode 100644 gcc/testsuite/gcc.dg/Wstringop-overflow-18.c create mode 100644 gcc/testsuite/gfortran.dg/pr91959.f90