[llvm-bugs] [Bug 37514] New: symbols generated for coverage at mingw show incorrect link attributes

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37514

            Bug ID: 37514
           Summary: symbols generated for coverage at mingw show incorrect
                    link attributes
           Product: new-bugs
           Version: trunk
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: rkasanmascheff at hotmail.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 20316
  --> https://bugs.llvm.org/attachment.cgi?id=20316&action=edit
sources

Compiled LLVM/CLANG head on a current MSYS2/MINGW64

Compiling an advanced production project failed with
lots of dublicate symbol errors. 

For one case I was able to provide an simple example. (code attached)
Its a simplification of the scenario of a header defined inline function.
There are much more scenarios with the same type of errors. 
Under my linux system I do not get these errors.

clang++ -fprofile-instr-generate -fcoverage-mapping -o llvmbug.exe cu1.cpp
cu2.cpp

will complain about
__profd__Z7inlfuncv defined in both compilation units.


By the way there are also errors of not defined symbols
lprofGetHostName
__llvm_profile_filename
I just defined them as described in llvm-sources in my original project to
silence them :-)

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