zeroomega wrote:
> Ok, seems like the only problem is the MemProf unit test
> compiler-rt/lib/memprof/tests/
>
> So if I manually disable that I don't see any other failures with this patch.
I think any components that uses freshly built clang (stage1) could potentially
run into this problem again, the correct way to solve it is to provide a
compatible C++ Library to the freshly built clang when it built compiler-rt and
related tests. For example, use -D with `RUNTIMES_${target}_CMAKE_CXX_FLAGS`
and `RUNTIMES_${target}_CMAKE_CXX_FLAGS` to pass `--gcc-toolchain` (it might be
deprecated and there is an updated flag for it) to the runtimes build. This
will probably allow stage1 clang to use gcc's stdlib like your bootstrap clang.
https://github.com/llvm/llvm-project/pull/65823
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