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from a277f643ee5 GCOV: create one intermediate file per a gcno file (PR gcov [...] new d8aad7864e5 PR c/81117 - Improve buffer overflow checking in strncpy new 53158c03bac * rs6000/power9.md (power9-qpdiv): Correct DFU pipe usage. [...]

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Summary of changes: gcc/ChangeLog | 32 ++ gcc/ada/ChangeLog | 6 + gcc/ada/adadecode.c | 2 +- gcc/ada/argv.c | 4 +- gcc/builtins.c | 75 +++- gcc/builtins.h | 1 + gcc/c-family/ChangeLog | 7 + gcc/c-family/c-common.c | 6 +- gcc/c-family/c-warn.c | 24 +- gcc/c-family/c.opt | 4 + gcc/config/rs6000/power9.md | 8 +- gcc/config/rs6000/rs6000.md | 22 +- gcc/doc/invoke.texi | 76 +++- gcc/fortran/ChangeLog | 5 + gcc/fortran/decl.c | 6 +- gcc/gimple-fold.c | 153 ++++++- gcc/gimple.c | 1 + gcc/objc/ChangeLog | 5 + gcc/objc/objc-encoding.c | 2 +- gcc/testsuite/ChangeLog | 14 + .../c-c++-common/Wsizeof-pointer-memaccess2.c | 15 +- .../c-c++-common/Wsizeof-pointer-memaccess3.c | 132 ++++++ gcc/testsuite/c-c++-common/Wstringop-overflow.c | 158 ++++++++ gcc/testsuite/c-c++-common/Wstringop-truncation.c | 448 +++++++++++++++++++++ gcc/testsuite/c-c++-common/attr-nonstring-1.c | 60 +++ gcc/testsuite/c-c++-common/attr-nonstring-2.c | 123 ++++++ .../g++.dg/torture/Wsizeof-pointer-memaccess1.C | 15 +- .../g++.dg/torture/Wsizeof-pointer-memaccess2.C | 11 +- gcc/testsuite/gcc.dg/Walloca-1.c | 2 +- gcc/testsuite/gcc.dg/builtin-stpncpy.c | 9 +- .../gcc.dg/torture/Wsizeof-pointer-memaccess1.c | 15 +- gcc/testsuite/gcc.dg/torture/pr63554.c | 5 +- gcc/tree-ssa-strlen.c | 395 ++++++++++++++++++ 33 files changed, 1753 insertions(+), 88 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wsizeof-pointer-memaccess3.c create mode 100644 gcc/testsuite/c-c++-common/Wstringop-overflow.c create mode 100644 gcc/testsuite/c-c++-common/Wstringop-truncation.c create mode 100644 gcc/testsuite/c-c++-common/attr-nonstring-1.c create mode 100644 gcc/testsuite/c-c++-common/attr-nonstring-2.c