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from 21e51a55e97 Specialize paths to version.h in _vxworks-versions.h new 1879e48f3d8 Add a new option -fstrict-flex-arrays[=n] and new attribute [...] new b9ad850e86b Use array_at_struct_end_p in __builtin_object_size [PR101836]

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Summary of changes: gcc/c-family/c-attribs.cc | 47 +++++++++++ gcc/c-family/c.opt | 7 ++ gcc/c/c-decl.cc | 130 +++++++++++++++++++++++++++-- gcc/cp/module.cc | 2 + gcc/doc/extend.texi | 26 ++++++ gcc/doc/invoke.texi | 28 ++++++- gcc/print-tree.cc | 8 +- gcc/testsuite/g++.dg/strict-flex-array-1.C | 31 +++++++ gcc/testsuite/gcc.dg/pr101836.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/pr101836_1.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/pr101836_2.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/pr101836_3.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/pr101836_4.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/pr101836_5.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/strict-flex-array-1.c | 33 ++++++++ gcc/testsuite/gcc.dg/strict-flex-array-2.c | 60 +++++++++++++ gcc/testsuite/gcc.dg/strict-flex-array-3.c | 60 +++++++++++++ gcc/tree-core.h | 5 +- gcc/tree-object-size.cc | 16 ++-- gcc/tree-streamer-in.cc | 1 + gcc/tree-streamer-out.cc | 1 + gcc/tree.cc | 45 +++++++--- gcc/tree.h | 14 +++- 23 files changed, 837 insertions(+), 37 deletions(-) create mode 100644 gcc/testsuite/g++.dg/strict-flex-array-1.C create mode 100644 gcc/testsuite/gcc.dg/pr101836.c create mode 100644 gcc/testsuite/gcc.dg/pr101836_1.c create mode 100644 gcc/testsuite/gcc.dg/pr101836_2.c create mode 100644 gcc/testsuite/gcc.dg/pr101836_3.c create mode 100644 gcc/testsuite/gcc.dg/pr101836_4.c create mode 100644 gcc/testsuite/gcc.dg/pr101836_5.c create mode 100644 gcc/testsuite/gcc.dg/strict-flex-array-1.c create mode 100644 gcc/testsuite/gcc.dg/strict-flex-array-2.c create mode 100644 gcc/testsuite/gcc.dg/strict-flex-array-3.c