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from e90c7bd5205 rtl-ssa: Don't leave NOTE_INSN_DELETED around new 551935d1181 Control flow redundancy hardening

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Summary of changes: gcc/Makefile.in | 1 + gcc/ada/gcc-interface/trans.cc | 2 + gcc/builtins.def | 3 + gcc/c-family/c-attribs.cc | 22 + gcc/calls.cc | 3 + gcc/common.opt | 35 + gcc/cp/decl.cc | 3 +- gcc/cp/except.cc | 8 +- gcc/doc/extend.texi | 11 + gcc/doc/invoke.texi | 93 ++ gcc/flag-types.h | 10 + gcc/gimple-harden-control-flow.cc | 1488 ++++++++++++++++++++ gcc/gimple.cc | 6 + gcc/gimple.h | 23 + gcc/params.opt | 8 + gcc/passes.def | 1 + .../c-c++-common/harden-cfr-noret-never-O0.c | 12 + .../c-c++-common/torture/harden-cfr-abrt-always.c | 11 + .../c-c++-common/torture/harden-cfr-abrt-never.c | 11 + .../torture/harden-cfr-abrt-no-xthrow.c | 11 + .../c-c++-common/torture/harden-cfr-abrt-nothrow.c | 11 + .../c-c++-common/torture/harden-cfr-abrt.c | 19 + .../c-c++-common/torture/harden-cfr-always.c | 13 + .../c-c++-common/torture/harden-cfr-bret-always.c | 13 + .../c-c++-common/torture/harden-cfr-bret-never.c | 13 + .../torture/harden-cfr-bret-no-xthrow.c | 14 + .../c-c++-common/torture/harden-cfr-bret-noopt.c | 12 + .../c-c++-common/torture/harden-cfr-bret-noret.c | 12 + .../c-c++-common/torture/harden-cfr-bret-nothrow.c | 13 + .../c-c++-common/torture/harden-cfr-bret-retcl.c | 12 + .../c-c++-common/torture/harden-cfr-bret.c | 17 + .../c-c++-common/torture/harden-cfr-never.c | 13 + .../c-c++-common/torture/harden-cfr-no-xthrow.c | 13 + .../c-c++-common/torture/harden-cfr-noret-never.c | 18 + .../torture/harden-cfr-noret-noexcept.c | 16 + .../torture/harden-cfr-noret-nothrow.c | 13 + .../c-c++-common/torture/harden-cfr-noret.c | 38 + .../c-c++-common/torture/harden-cfr-notail.c | 8 + .../c-c++-common/torture/harden-cfr-nothrow.c | 13 + .../c-c++-common/torture/harden-cfr-returning.c | 35 + .../c-c++-common/torture/harden-cfr-skip-leaf.c | 10 + .../c-c++-common/torture/harden-cfr-tail.c | 52 + gcc/testsuite/c-c++-common/torture/harden-cfr.c | 84 ++ gcc/testsuite/g++.dg/harden-cfr-throw-always-O0.C | 13 + .../g++.dg/harden-cfr-throw-returning-O0.C | 12 + .../g++.dg/harden-cfr-throw-returning-enabled-O0.C | 11 + .../torture/harden-cfr-noret-always-no-nothrow.C | 16 + .../torture/harden-cfr-noret-never-no-nothrow.C | 18 + .../g++.dg/torture/harden-cfr-noret-no-nothrow.C | 23 + .../g++.dg/torture/harden-cfr-throw-always.C | 13 + .../g++.dg/torture/harden-cfr-throw-never.C | 12 + .../torture/harden-cfr-throw-no-xthrow-expected.C | 16 + .../g++.dg/torture/harden-cfr-throw-no-xthrow.C | 12 + .../g++.dg/torture/harden-cfr-throw-nocleanup.C | 11 + .../g++.dg/torture/harden-cfr-throw-nothrow.C | 11 + .../g++.dg/torture/harden-cfr-throw-returning.C | 31 + gcc/testsuite/g++.dg/torture/harden-cfr-throw.C | 73 + .../gcc.dg/torture/harden-cfr-noret-no-nothrow.c | 15 + gcc/testsuite/gcc.dg/torture/harden-cfr-tail-ub.c | 40 + gcc/testsuite/gnat.dg/hardcfr.adb | 76 + gcc/tree-core.h | 3 + gcc/tree-pass.h | 2 + gcc/tree.cc | 9 +- libgcc/Makefile.in | 3 + libgcc/hardcfr.c | 300 ++++ 65 files changed, 2938 insertions(+), 6 deletions(-) create mode 100644 gcc/gimple-harden-control-flow.cc create mode 100644 gcc/testsuite/c-c++-common/harden-cfr-noret-never-O0.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-abrt-always.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-abrt-never.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-abrt-no-xthrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-abrt-nothrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-abrt.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-always.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-always.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-never.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-no-xthrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-noopt.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-noret.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-nothrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret-retcl.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-bret.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-never.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-no-xthrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-noret-never.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-noret-noexcept.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-noret-nothrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-noret.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-notail.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-nothrow.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-returning.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-skip-leaf.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr-tail.c create mode 100644 gcc/testsuite/c-c++-common/torture/harden-cfr.c create mode 100644 gcc/testsuite/g++.dg/harden-cfr-throw-always-O0.C create mode 100644 gcc/testsuite/g++.dg/harden-cfr-throw-returning-O0.C create mode 100644 gcc/testsuite/g++.dg/harden-cfr-throw-returning-enabled-O0.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-noret-always-no-nothrow.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-noret-never-no-nothrow.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-noret-no-nothrow.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-always.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-never.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-no-xthrow-expected.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-no-xthrow.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-nocleanup.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-nothrow.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw-returning.C create mode 100644 gcc/testsuite/g++.dg/torture/harden-cfr-throw.C create mode 100644 gcc/testsuite/gcc.dg/torture/harden-cfr-noret-no-nothrow.c create mode 100644 gcc/testsuite/gcc.dg/torture/harden-cfr-tail-ub.c create mode 100644 gcc/testsuite/gnat.dg/hardcfr.adb create mode 100644 libgcc/hardcfr.c