[llvm-bugs] [Bug 28769] New: Coverage data includes call to __cxx_global_array_dtor

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28769

            Bug ID: 28769
           Summary: Coverage data includes call to __cxx_global_array_dtor
           Product: clang
           Version: 3.9
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++
          Assignee: unassignedclangbugs at nondot.org
          Reporter: llvm.flamefire at spamgourmet.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16834
  --> https://llvm.org/bugs/attachment.cgi?id=16834&action=edit
GCOV file

I was using clang++ with the --coverage flag to generate coverage data on a
larger project (https://github.com/Return-To-The-Roots/s25client)
However I see an completely unexpected call to "__cxx_global_array_dtor" in the
gcno file which should not be there and leads to false positives. The line I've
seen this is this one:
https://github.com/Return-To-The-Roots/s25client/blob/14796d1cb7423a87f9698001db650fa6262ae4ee/src/ingameWindows/iwPostWindow.cpp#L69
A line that is almost the same as the surrounding ones, but the only one that
got that call attributed.

I was not able to create a mini-example with this behaviour as clang coverage
works in almost all other cases, especially trivial ones.

I attach the raw gcov file (llvm-cov gcov <gcda file> --dump), just search for
"__cxx_global_array_dtor"

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