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@StephanTLavavej StephanTLavavej commented Sep 5, 2023

Thanks to Shayne Hiet-Block's wonderful internal MSVC-PR-487530, we can remove numerous test workarounds for the following internal bugs:

  • VSO-1658184 /clr silent bad codegen with std::_Signed128 multiplication
  • VSO-1659489 /clr System.AccessViolationException with parallel std::mismatch
  • VSO-1659695 /clr x86 runtime assertions/crashes with parallel algorithms
  • VSO-1665654 /clr C++20 x86 System.AccessViolationException with atomic<shared_ptr>
  • VSO-1666180 /clr C++20 x64 System.AccessViolationException with views::iota and views::transform
  • VSO-1867037 /clr C++20 System.AccessViolationException with ranges uninitialized algorithms

I had to report and add a highly targeted workaround for one remaining bug:

  • VSO-1881472 /clr C++20 x86 System.AccessViolationException with atomic<with_padding_bits<8>>

Because /clr isn't built on GitHub (yet), we can immediately remove these workarounds and "lock in" the fixes, without waiting for a VS Preview to ship.

@StephanTLavavej StephanTLavavej added the test Related to test code label Sep 5, 2023
@StephanTLavavej StephanTLavavej requested a review from a team as a code owner September 5, 2023 23:50
@StephanTLavavej StephanTLavavej self-assigned this Sep 7, 2023
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed.

@StephanTLavavej StephanTLavavej merged commit db6379e into microsoft:main Sep 7, 2023
@StephanTLavavej StephanTLavavej deleted the clr-workarounds branch September 7, 2023 21:38
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