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from 29c670b sync config/* from binutils new bd1e4dd [gcc] 2016-12-07 Michael Meissner meissner@linux.vnet.ibm.com new 5aef893 PR c/53562 - Add -Werror= support for -D_FORTIFY_SOURCE / __b [...]

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Summary of changes: gcc/ChangeLog | 32 + gcc/builtins.c | 673 ++++++++++++++++++--- gcc/c-family/ChangeLog | 8 + gcc/c-family/c.opt | 10 + gcc/config/rs6000/rs6000.c | 38 +- gcc/doc/invoke.texi | 81 +++ gcc/gimple-ssa-sprintf.c | 61 +- gcc/testsuite/ChangeLog | 34 ++ .../c-c++-common/Wsizeof-pointer-memaccess2.c | 2 +- gcc/testsuite/g++.dg/ext/builtin-object-size3.C | 4 +- gcc/testsuite/g++.dg/ext/strncpy-chk1.C | 2 +- gcc/testsuite/g++.dg/opt/memcpy1.C | 5 +- .../g++.dg/torture/Wsizeof-pointer-memaccess1.C | 2 +- .../g++.dg/torture/Wsizeof-pointer-memaccess2.C | 5 +- gcc/testsuite/gcc.c-torture/compile/pr55569.c | 10 +- gcc/testsuite/gcc.dg/Wobjsize-1.c | 2 +- gcc/testsuite/gcc.dg/attr-alloc_size.c | 8 +- gcc/testsuite/gcc.dg/builtin-stringop-chk-1.c | 54 +- gcc/testsuite/gcc.dg/builtin-stringop-chk-2.c | 4 +- gcc/testsuite/gcc.dg/builtin-stringop-chk-4.c | 525 ++++++++++++++++ gcc/testsuite/gcc.dg/builtin-stringop-chk-5.c | 260 ++++++++ gcc/testsuite/gcc.dg/builtin-stringop-chk-6.c | 112 ++++ gcc/testsuite/gcc.dg/builtin-strncat-chk-1.c | 8 +- gcc/testsuite/gcc.dg/fstack-protector-strong.c | 2 +- gcc/testsuite/gcc.dg/memcpy-2.c | 2 +- gcc/testsuite/gcc.dg/pr40340-1.c | 2 +- gcc/testsuite/gcc.dg/pr40340-2.c | 2 +- gcc/testsuite/gcc.dg/pr40340-5.c | 2 +- .../gcc.dg/torture/Wsizeof-pointer-memaccess1.c | 2 +- gcc/testsuite/gcc.dg/torture/pr71132.c | 5 + .../gcc.dg/tree-ssa/builtin-sprintf-warn-1.c | 16 +- .../gcc.dg/tree-ssa/builtin-sprintf-warn-3.c | 42 +- gcc/testsuite/gcc.target/powerpc/pr72717.c | 20 + gcc/testsuite/gfortran.dg/char_length_3.f90 | 3 + gcc/testsuite/gfortran.dg/pr38868.f | 2 +- 35 files changed, 1839 insertions(+), 201 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/builtin-stringop-chk-4.c create mode 100644 gcc/testsuite/gcc.dg/builtin-stringop-chk-5.c create mode 100644 gcc/testsuite/gcc.dg/builtin-stringop-chk-6.c create mode 100644 gcc/testsuite/gcc.target/powerpc/pr72717.c