[llvm-bugs] [Bug 47517] SelectionDAG.cpp:900: bool llvm::SelectionDAG::RemoveNodeFromCSEMaps(llvm::SDNode *): Assertion `N->getOpcode() != ISD::DELETED_NODE && "DELETED_NODE in CSEMap!"' failed. with llc -O1

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=47517

Hans Wennborg <hans at chromium.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #6 from Hans Wennborg <hans at chromium.org> ---
Reopening as https://reviews.llvm.org/D87614#2273931 suggests there are still
problems.

I'm not familiar with the code, but it sounds like we're now trying to fix the
fixes...

Is it possible to fix these problems in some more principled way, or can we
revert back to green?

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