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gcc/ChangeLog:
PR analyzer/99860
* Makefile.in (ANALYZER_OBJS): Add analyzer/ranges.o.
gcc/analyzer/ChangeLog:
PR analyzer/99860
* analyzer-selftests.cc (selftest::run_analyzer_selftests): Call
selftest::analyzer_ranges_cc_tests.
* analyzer-selftests.h (selftest::run_analyzer_selftests): New
decl.
* analyzer.opt (Wanalyzer-overlapping-buffers): New option.
* call-details.cc: Include "analyzer/ranges.h" and "make-unique.h".
(class overlapping_buffers): New.
(call_details::complain_about_overlap): New.
* call-details.h (call_details::complain_about_overlap): New decl.
* kf.cc (kf_memcpy_memmove::impl_call_pre): Call
cd.complain_about_overlap for memcpy and memcpy_chk.
(kf_strcat::impl_call_pre): Call cd.complain_about_overlap.
(kf_strcpy::impl_call_pre): Likewise.
* ranges.cc: New file.
* ranges.h: New file.
gcc/ChangeLog:
PR analyzer/99860
* doc/invoke.texi: Add -Wanalyzer-overlapping-buffers.
gcc/testsuite/ChangeLog:
PR analyzer/99860
* c-c++-common/analyzer/overlapping-buffers.c: New test.
Signed-off-by: David Malcolm <dmalcolm@redhat.com>
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