mgorny added inline comments.
================
Comment at: lib/Driver/ToolChains.cpp:4704
+ GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT)
+ CmdArgs.push_back("-lunwind");
+}
----------------
Hahnfeld wrote:
> As just written in D25008: This will probably result in problems if a system
> default `libunwind.so.8` is installed...
I think this is the correct behavior in this case. Clang should work with
whichever unwinder implementation is available, and if you want to change that,
change the `libunwind.so` symlink.
However, I don't really think it's a good idea to have both unwinder libraries
installed alongside, especially that they are sharing the same name.
https://reviews.llvm.org/D25402
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