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from e63ae8c083a disable --with-{cpu,arch,tune}-32 new fe7f75cf167 Correct/improve maybe_emit_free_warning (PR middle-end/9816 [...]

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Summary of changes: gcc/builtins.c | 388 +++++++++++++++++---- gcc/c-family/c-attribs.c | 125 +++++-- gcc/doc/extend.texi | 44 +-- .../c-c++-common/Wfree-nonheap-object-2.c | 52 +++ .../c-c++-common/Wfree-nonheap-object-3.c | 70 ++++ gcc/testsuite/c-c++-common/Wfree-nonheap-object.c | 50 +++ gcc/testsuite/c-c++-common/Wmismatched-dealloc.c | 67 ++++ gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C | 38 ++ gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-4.C | 26 ++ gcc/testsuite/g++.dg/warn/Wmismatched-dealloc-2.C | 20 +- .../g++.dg/warn/Wmismatched-new-delete-2.C | 249 +++++++++++++ gcc/testsuite/g++.dg/warn/Wmismatched-new-delete.C | 34 +- gcc/testsuite/gcc.dg/Wmismatched-dealloc-2.c | 141 ++++++++ gcc/testsuite/gcc.dg/Wmismatched-dealloc-3.c | 265 ++++++++++++++ gcc/testsuite/gcc.dg/Wmismatched-dealloc.c | 163 ++++++--- gcc/tree-ssa-dce.c | 62 +--- gcc/tree.c | 103 +++++- gcc/tree.h | 2 + .../ext/vstring/requirements/exception/basic.cc | 4 + .../exception/propagation_consistent.cc | 4 + 20 files changed, 1657 insertions(+), 250 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/Wfree-nonheap-object-2.c create mode 100644 gcc/testsuite/c-c++-common/Wfree-nonheap-object-3.c create mode 100644 gcc/testsuite/c-c++-common/Wfree-nonheap-object.c create mode 100644 gcc/testsuite/c-c++-common/Wmismatched-dealloc.c create mode 100644 gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C create mode 100644 gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-4.C create mode 100644 gcc/testsuite/g++.dg/warn/Wmismatched-new-delete-2.C create mode 100644 gcc/testsuite/gcc.dg/Wmismatched-dealloc-2.c create mode 100644 gcc/testsuite/gcc.dg/Wmismatched-dealloc-3.c