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from 871504b0dd5 c++: tweak comment new 422f9eb7011 tree-object-size: Use trees and support negative offsets new 79a89108dd3 __builtin_dynamic_object_size: Recognize builtin

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Summary of changes: gcc/builtins.c | 21 +- gcc/builtins.def | 1 + gcc/doc/extend.texi | 13 + gcc/gimple-fold.c | 11 +- .../g++.dg/ext/builtin-dynamic-object-size1.C | 5 + .../g++.dg/ext/builtin-dynamic-object-size2.C | 5 + gcc/testsuite/gcc.dg/builtin-dynamic-alloc-size.c | 7 + .../gcc.dg/builtin-dynamic-object-size-1.c | 6 + .../gcc.dg/builtin-dynamic-object-size-10.c | 9 + .../gcc.dg/builtin-dynamic-object-size-11.c | 7 + .../gcc.dg/builtin-dynamic-object-size-12.c | 5 + .../gcc.dg/builtin-dynamic-object-size-13.c | 5 + .../gcc.dg/builtin-dynamic-object-size-14.c | 5 + .../gcc.dg/builtin-dynamic-object-size-15.c | 5 + .../gcc.dg/builtin-dynamic-object-size-16.c | 6 + .../gcc.dg/builtin-dynamic-object-size-17.c | 7 + ...-size-18.c => builtin-dynamic-object-size-18.c} | 11 +- ...-size-19.c => builtin-dynamic-object-size-19.c} | 3 + .../gcc.dg/builtin-dynamic-object-size-2.c | 6 + .../gcc.dg/builtin-dynamic-object-size-3.c | 6 + .../gcc.dg/builtin-dynamic-object-size-4.c | 6 + .../gcc.dg/builtin-dynamic-object-size-5.c | 7 + .../gcc.dg/builtin-dynamic-object-size-6.c | 5 + .../gcc.dg/builtin-dynamic-object-size-7.c | 5 + .../gcc.dg/builtin-dynamic-object-size-8.c | 5 + .../gcc.dg/builtin-dynamic-object-size-9.c | 5 + gcc/testsuite/gcc.dg/builtin-object-size-1.c | 30 ++ gcc/testsuite/gcc.dg/builtin-object-size-16.c | 2 + gcc/testsuite/gcc.dg/builtin-object-size-17.c | 2 + gcc/testsuite/gcc.dg/builtin-object-size-2.c | 30 ++ gcc/testsuite/gcc.dg/builtin-object-size-3.c | 31 ++ gcc/testsuite/gcc.dg/builtin-object-size-4.c | 30 ++ gcc/testsuite/gcc.dg/builtin-object-size-5.c | 25 + gcc/tree-object-size.c | 532 ++++++++++++++------- gcc/tree-object-size.h | 12 +- gcc/ubsan.c | 5 +- 36 files changed, 673 insertions(+), 203 deletions(-) create mode 100644 gcc/testsuite/g++.dg/ext/builtin-dynamic-object-size1.C create mode 100644 gcc/testsuite/g++.dg/ext/builtin-dynamic-object-size2.C create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-alloc-size.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-1.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-10.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-11.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-12.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-13.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-14.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-15.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-16.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-17.c copy gcc/testsuite/gcc.dg/{builtin-object-size-18.c => builtin-dynamic-object-size [...] copy gcc/testsuite/gcc.dg/{builtin-object-size-19.c => builtin-dynamic-object-size [...] create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-2.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-3.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-4.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-5.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-6.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-7.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-8.c create mode 100644 gcc/testsuite/gcc.dg/builtin-dynamic-object-size-9.c