code coverage: llvm-ar: undefined reference to `llvm::raw_fd_ostream::current_pos() const'

[Rafael Espíndola]

>> Which host compiler are you using?
> gcc 4.8.1-2

I can reproduce the bug with gcc 4.8. It does look like a bug in gcc.
In the attached testcase it produces an undefined reference to
_ZNK4llvm14raw_fd_ostream11current_posEv, but that function is defined
inline.

It reproduces with "cc1plus llvm-ar.ii -quiet -std=c++11
-fprofile-arcs -o test.s -O2". It may or may not be a duplicate of
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53808.

Do you want to report a bug with them or should I?

Cheers,
Rafael
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