mikaelholmen wrote:

> > @vitalybuka #182529 fixed/should fix these. MLIR+ASan failures seem 
> > unrelated.
> 
> They are related:
> 
> BAD: https://lab.llvm.org/buildbot/#/builders/52/builds/15222 NO PCH: 
> [llvm/llvm-zorg@998f4b8](https://github.com/llvm/llvm-zorg/commit/998f4b86c07f82705fd603f07eca39a5154bf717)
>  GOOD: https://lab.llvm.org/buildbot/#/builders/52/builds/15223
> 
> Errors looks like this:
> 
> https://lab.llvm.org/buildbot/#/builders/169/builds/20215
> 
> ```
> ==mlir-runner==3500971==HINT: if you don't care about these errors you may 
> set ASAN_OPTIONS=detect_odr_violation=0
> SUMMARY: AddressSanitizer: odr-violation: global 
> 'llvm::EnableABIBreakingChecks' at 
> /home/b/sanitizer-x86_64-linux-fast/build/llvm-project/llvm/lib/Support/ABIBreak.cpp
>  in 
> /home/b/sanitizer-x86_64-linux-fast/build/llvm_build_asan_ubsan/lib/../lib/libmlir_float16_utils.so.23.0git

Indeed they are related.
When I do a local ASan build I get ~225 new MLIR lit test failures as above 
with this patch and I still get them at f89067041.

https://github.com/llvm/llvm-project/pull/176420
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