[llvm-bugs] [Bug 36805] New: Duplicated profile data leads to Counter Overflows and incorrect code coverage information

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36805

            Bug ID: 36805
           Summary: Duplicated profile data leads to Counter Overflows and
                    incorrect code coverage information
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: mmoroz at google.com
                CC: llvm-bugs at lists.llvm.org

The issue seems to be a regression of
https://bugs.llvm.org/show_bug.cgi?id=23499

TL;DR somehow we are getting duplicated profile data records pointing to the
same counter, that leads to counter values being duplicated.

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