jhenderson added a comment.

In D95246#2587167 <https://reviews.llvm.org/D95246#2587167>, @ASDenysPetrov 
wrote:

> @jhenderson
>
>> Thanks (for clarity, `libz` isn't what I'm looking for, it was just an 
>> example of how this information might be useful). As it is, I think we might 
>> need more information still - that commandline hides which files are 
>> actually used slightly. Could you try explicitly running the c++ command 
>> that is being requested, but with the `-Wl,--trace` option added too. That 
>> will tell the linker to print what files it opens when it runs the link, and 
>> should give us an hint as to which system library is different for your 
>> usage than ours.
>
> I added `-W --trace` to the end of cmdline. The output is in the file: 
> F15646704: trace_output.txt <https://reviews.llvm.org/F15646704>

Sorry, but `-W --trace` is not the same as `-Wl,--trace`. The former is a pair 
of options used by the compiler (one of which describes the files used by the 
compiler). The latter is an option passed to the linker, and is what we need. 
Please try again!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D95246/new/

https://reviews.llvm.org/D95246

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