https://bugs.llvm.org/show_bug.cgi?id=41516

            Bug ID: 41516
           Summary: -Wsign-conversion does not warn on uint64_t to int8_t,
                    int16_t, or int32_t implicit conversions
           Product: clang
           Version: unspecified
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangb...@nondot.org
          Reporter: jeffersoncarpent...@gmail.com
                CC: blitzrak...@gmail.com, dgre...@apple.com,
                    erik.pilking...@gmail.com, llvm-bugs@lists.llvm.org,
                    richard-l...@metafoo.co.uk

Created attachment 21788
  --> https://bugs.llvm.org/attachment.cgi?id=21788&action=edit
Program that does not raise sign conversion warning

Compile the attachment with

    clang++ -std=c++17 -Wsign-conversion ./test.cpp -o test

Implicit signedness conversions form uint64_t to numerous integer types are not
warned.  Only the conversion from uint64_t to int64_t is warned.

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