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from a7aef0a5a2b analyzer: fix feasibility false +ve on jumps through functi [...] new ea63396f6b0 libstdc++: add experimental Contracts support new 2efb237ffc6 c++: implement P1492 contracts

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Summary of changes: gcc/c-family/c-cppbuiltin.cc | 6 + gcc/c-family/c.opt | 41 + gcc/cp/Make-lang.in | 2 +- gcc/cp/config-lang.in | 1 + gcc/cp/constexpr.cc | 121 +- gcc/cp/contracts.cc | 2240 ++++++++++++++++++++ gcc/cp/contracts.h | 305 +++ gcc/cp/cp-gimplify.cc | 17 + gcc/cp/cp-objcp-common.cc | 41 + gcc/cp/cp-tree.def | 11 + gcc/cp/cp-tree.h | 64 + gcc/cp/decl.cc | 115 +- gcc/cp/decl2.cc | 15 +- gcc/cp/error.cc | 3 +- gcc/cp/g++spec.cc | 12 + gcc/cp/mangle.cc | 7 + gcc/cp/module.cc | 30 +- gcc/cp/parser.cc | 522 ++++- gcc/cp/parser.h | 3 + gcc/cp/pt.cc | 164 +- gcc/cp/search.cc | 28 + gcc/cp/semantics.cc | 28 +- gcc/cp/tree.cc | 67 + gcc/cp/typeck.cc | 13 +- gcc/doc/invoke.texi | 79 + .../g++.dg/contracts/backtrace_handler/Makefile | 13 + .../g++.dg/contracts/backtrace_handler/README | 12 + .../contracts/backtrace_handler/assert_fail.cpp | 23 + .../contracts/backtrace_handler/example_out.txt | 12 + .../contracts/backtrace_handler/example_pretty.txt | 8 + .../handle_contract_violation.cpp | 26 + .../contracts/backtrace_handler/prettytrace.sh | 30 + gcc/testsuite/g++.dg/contracts/contracts-access1.C | 128 ++ gcc/testsuite/g++.dg/contracts/contracts-assume1.C | 30 + gcc/testsuite/g++.dg/contracts/contracts-assume2.C | 34 + gcc/testsuite/g++.dg/contracts/contracts-assume3.C | 19 + gcc/testsuite/g++.dg/contracts/contracts-assume4.C | 19 + gcc/testsuite/g++.dg/contracts/contracts-assume5.C | 34 + gcc/testsuite/g++.dg/contracts/contracts-assume6.C | 61 + gcc/testsuite/g++.dg/contracts/contracts-comdat1.C | 19 + gcc/testsuite/g++.dg/contracts/contracts-config1.C | 36 + .../g++.dg/contracts/contracts-constexpr1.C | 74 + .../g++.dg/contracts/contracts-constexpr2.C | 58 + .../g++.dg/contracts/contracts-constexpr3.C | 10 + .../g++.dg/contracts/contracts-conversion1.C | 19 + .../g++.dg/contracts/contracts-ctor-dtor1.C | 177 ++ .../g++.dg/contracts/contracts-ctor-dtor2.C | 35 + gcc/testsuite/g++.dg/contracts/contracts-cv1.C | 37 + .../g++.dg/contracts/contracts-deduced1.C | 108 + .../g++.dg/contracts/contracts-deduced2.C | 84 + gcc/testsuite/g++.dg/contracts/contracts-friend1.C | 40 + gcc/testsuite/g++.dg/contracts/contracts-ft1.C | 14 + gcc/testsuite/g++.dg/contracts/contracts-ignore1.C | 30 + gcc/testsuite/g++.dg/contracts/contracts-ignore2.C | 26 + .../g++.dg/contracts/contracts-large-return.C | 15 + .../g++.dg/contracts/contracts-multiline1.C | 19 + .../contracts/contracts-multiple-inheritance1.C | 15 + .../contracts/contracts-multiple-inheritance2.C | 33 + .../g++.dg/contracts/contracts-nested-class1.C | 24 + .../g++.dg/contracts/contracts-nested-class2.C | 40 + gcc/testsuite/g++.dg/contracts/contracts-nocopy1.C | 24 + .../g++.dg/contracts/contracts-override.C | 43 + gcc/testsuite/g++.dg/contracts/contracts-post1.C | 74 + gcc/testsuite/g++.dg/contracts/contracts-post2.C | 13 + gcc/testsuite/g++.dg/contracts/contracts-post3.C | 15 + gcc/testsuite/g++.dg/contracts/contracts-post4.C | 36 + gcc/testsuite/g++.dg/contracts/contracts-post5.C | 19 + gcc/testsuite/g++.dg/contracts/contracts-post6.C | 30 + gcc/testsuite/g++.dg/contracts/contracts-pre1.C | 36 + gcc/testsuite/g++.dg/contracts/contracts-pre10.C | 190 ++ gcc/testsuite/g++.dg/contracts/contracts-pre2.C | 212 ++ gcc/testsuite/g++.dg/contracts/contracts-pre2a1.C | 33 + gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C | 22 + gcc/testsuite/g++.dg/contracts/contracts-pre3.C | 525 +++++ gcc/testsuite/g++.dg/contracts/contracts-pre4.C | 92 + gcc/testsuite/g++.dg/contracts/contracts-pre5.C | 81 + gcc/testsuite/g++.dg/contracts/contracts-pre6.C | 74 + gcc/testsuite/g++.dg/contracts/contracts-pre7.C | 134 ++ gcc/testsuite/g++.dg/contracts/contracts-pre9.C | 146 ++ gcc/testsuite/g++.dg/contracts/contracts-redecl1.C | 149 ++ gcc/testsuite/g++.dg/contracts/contracts-redecl2.C | 149 ++ gcc/testsuite/g++.dg/contracts/contracts-redecl3.C | 195 ++ gcc/testsuite/g++.dg/contracts/contracts-redecl4.C | 56 + gcc/testsuite/g++.dg/contracts/contracts-redecl5.C | 101 + gcc/testsuite/g++.dg/contracts/contracts-redecl6.C | 195 ++ gcc/testsuite/g++.dg/contracts/contracts-redecl7.C | 95 + gcc/testsuite/g++.dg/contracts/contracts-redecl8.C | 64 + .../g++.dg/contracts/contracts-tmpl-attr1.C | 19 + .../g++.dg/contracts/contracts-tmpl-spec1.C | 121 ++ .../g++.dg/contracts/contracts-tmpl-spec2.C | 395 ++++ .../g++.dg/contracts/contracts-tmpl-spec3.C | 45 + gcc/testsuite/g++.dg/contracts/contracts1.C | 49 + gcc/testsuite/g++.dg/contracts/contracts10.C | 73 + gcc/testsuite/g++.dg/contracts/contracts11.C | 103 + gcc/testsuite/g++.dg/contracts/contracts12.C | 15 + gcc/testsuite/g++.dg/contracts/contracts13.C | 51 + gcc/testsuite/g++.dg/contracts/contracts14.C | 58 + gcc/testsuite/g++.dg/contracts/contracts15.C | 56 + gcc/testsuite/g++.dg/contracts/contracts16.C | 34 + gcc/testsuite/g++.dg/contracts/contracts17.C | 35 + gcc/testsuite/g++.dg/contracts/contracts18.C | 15 + gcc/testsuite/g++.dg/contracts/contracts19.C | 19 + gcc/testsuite/g++.dg/contracts/contracts2.C | 13 + gcc/testsuite/g++.dg/contracts/contracts20.C | 11 + gcc/testsuite/g++.dg/contracts/contracts22.C | 32 + gcc/testsuite/g++.dg/contracts/contracts24.C | 15 + gcc/testsuite/g++.dg/contracts/contracts25.C | 57 + gcc/testsuite/g++.dg/contracts/contracts3.C | 13 + gcc/testsuite/g++.dg/contracts/contracts35.C | 47 + gcc/testsuite/g++.dg/contracts/contracts4.C | 11 + gcc/testsuite/g++.dg/contracts/contracts5.C | 13 + gcc/testsuite/g++.dg/contracts/contracts6.C | 11 + gcc/testsuite/g++.dg/contracts/contracts7.C | 14 + gcc/testsuite/g++.dg/contracts/contracts8.C | 43 + gcc/testsuite/g++.dg/contracts/contracts9.C | 45 + .../contracts/except_preload_handler/Makefile | 13 + .../g++.dg/contracts/except_preload_handler/README | 13 + .../except_preload_handler/assert_fail.cpp | 20 + .../handle_contract_violation.cpp | 14 + .../contracts/noexcept_preload_handler/Makefile | 13 + .../contracts/noexcept_preload_handler/README | 15 + .../noexcept_preload_handler/assert_fail.cpp | 20 + .../handle_contract_violation.cpp | 14 + .../g++.dg/contracts/preload_handler/Makefile | 13 + .../g++.dg/contracts/preload_handler/README | 2 + .../contracts/preload_handler/assert_fail.cpp | 7 + .../preload_handler/handle_contract_violation.cpp | 15 + .../contracts/preload_nocontinue_handler/Makefile | 23 + .../contracts/preload_nocontinue_handler/README | 23 + .../preload_nocontinue_handler/assert_fail.cpp | 10 + .../handle_contract_violation.cpp | 13 + .../preload_nocontinue_handler/nocontinue.cpp | 19 + gcc/testsuite/g++.dg/modules/contracts-1_a.C | 46 + gcc/testsuite/g++.dg/modules/contracts-1_b.C | 33 + gcc/testsuite/g++.dg/modules/contracts-2_a.C | 49 + gcc/testsuite/g++.dg/modules/contracts-2_b.C | 35 + gcc/testsuite/g++.dg/modules/contracts-2_c.C | 22 + gcc/testsuite/g++.dg/modules/contracts-3_a.C | 41 + gcc/testsuite/g++.dg/modules/contracts-3_b.C | 35 + gcc/testsuite/g++.dg/modules/contracts-4_a.C | 28 + gcc/testsuite/g++.dg/modules/contracts-4_b.C | 8 + gcc/testsuite/g++.dg/modules/contracts-4_c.C | 9 + gcc/testsuite/g++.dg/modules/contracts-4_d.C | 22 + .../g++.dg/modules/contracts-tpl-friend-1_a.C | 17 + ...tpl-friend-1_b.C => contracts-tpl-friend-1_b.C} | 4 +- gcc/testsuite/g++.dg/modules/modules.exp | 9 +- gcc/testsuite/lib/g++.exp | 4 + libstdc++-v3/acinclude.m4 | 2 +- libstdc++-v3/configure | 16 +- libstdc++-v3/include/Makefile.am | 1 + libstdc++-v3/include/Makefile.in | 1 + libstdc++-v3/include/experimental/contract | 81 + libstdc++-v3/src/Makefile.am | 3 +- libstdc++-v3/src/Makefile.in | 6 +- .../src/{filesystem => experimental}/Makefile.am | 36 +- .../src/{filesystem => experimental}/Makefile.in | 53 +- .../del_opv.cc => src/experimental/contract.cc} | 27 +- 157 files changed, 10207 insertions(+), 141 deletions(-) create mode 100644 gcc/cp/contracts.cc create mode 100644 gcc/cp/contracts.h create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/Makefile create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/README create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/assert_fail.cpp create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/example_out.txt create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/example_pretty.txt create mode 100644 gcc/testsuite/g++.dg/contracts/backtrace_handler/handle_contrac [...] create mode 100755 gcc/testsuite/g++.dg/contracts/backtrace_handler/prettytrace.sh create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-access1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume4.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume5.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-assume6.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-comdat1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-config1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-constexpr1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-constexpr2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-constexpr3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-conversion1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-ctor-dtor1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-ctor-dtor2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-cv1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-deduced1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-deduced2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-friend1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-ft1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-ignore1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-ignore2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-large-return.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-multiline1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-multiple-inheritance1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-multiple-inheritance2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-nested-class1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-nested-class2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-nocopy1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-override.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post4.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post5.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-post6.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre10.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre2a1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre4.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre5.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre6.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre7.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-pre9.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl4.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl5.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl6.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl7.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-redecl8.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-tmpl-attr1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts1.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts10.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts11.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts12.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts13.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts14.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts15.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts16.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts17.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts18.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts19.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts2.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts20.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts22.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts24.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts25.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts3.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts35.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts4.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts5.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts6.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts7.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts8.C create mode 100644 gcc/testsuite/g++.dg/contracts/contracts9.C create mode 100644 gcc/testsuite/g++.dg/contracts/except_preload_handler/Makefile create mode 100644 gcc/testsuite/g++.dg/contracts/except_preload_handler/README create mode 100644 gcc/testsuite/g++.dg/contracts/except_preload_handler/assert_fail.cpp create mode 100644 gcc/testsuite/g++.dg/contracts/except_preload_handler/handle_co [...] create mode 100644 gcc/testsuite/g++.dg/contracts/noexcept_preload_handler/Makefile create mode 100644 gcc/testsuite/g++.dg/contracts/noexcept_preload_handler/README create mode 100644 gcc/testsuite/g++.dg/contracts/noexcept_preload_handler/assert_ [...] create mode 100644 gcc/testsuite/g++.dg/contracts/noexcept_preload_handler/handle_ [...] create mode 100644 gcc/testsuite/g++.dg/contracts/preload_handler/Makefile create mode 100644 gcc/testsuite/g++.dg/contracts/preload_handler/README create mode 100644 gcc/testsuite/g++.dg/contracts/preload_handler/assert_fail.cpp create mode 100644 gcc/testsuite/g++.dg/contracts/preload_handler/handle_contract_ [...] create mode 100644 gcc/testsuite/g++.dg/contracts/preload_nocontinue_handler/Makefile create mode 100644 gcc/testsuite/g++.dg/contracts/preload_nocontinue_handler/README create mode 100644 gcc/testsuite/g++.dg/contracts/preload_nocontinue_handler/asser [...] create mode 100644 gcc/testsuite/g++.dg/contracts/preload_nocontinue_handler/handl [...] create mode 100644 gcc/testsuite/g++.dg/contracts/preload_nocontinue_handler/nocon [...] create mode 100644 gcc/testsuite/g++.dg/modules/contracts-1_a.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-1_b.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-2_a.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-2_b.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-2_c.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-3_a.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-3_b.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-4_a.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-4_b.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-4_c.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-4_d.C create mode 100644 gcc/testsuite/g++.dg/modules/contracts-tpl-friend-1_a.C copy gcc/testsuite/g++.dg/modules/{tpl-friend-1_b.C => contracts-tpl-friend-1_b.C} (69%) create mode 100644 libstdc++-v3/include/experimental/contract copy libstdc++-v3/src/{filesystem => experimental}/Makefile.am (86%) copy libstdc++-v3/src/{filesystem => experimental}/Makefile.in (95%) copy libstdc++-v3/{libsupc++/del_opv.cc => src/experimental/contract.cc} (59%)