[llvm] [BOLT] Ignore duplicate global symbols (PR #201082)

[Alexey Moksyakov via llvm-commits]

yavtuk wrote:

 @Jinjie-Huang  hello, thanks for PR. Can you see how many of these functions there are in total in the library? If there are many such functions then I will try to find another solution not to ignore the one.

https://github.com/llvm/llvm-project/pull/201082