[LLVMbugs] [Bug 20057] Assertion failied in llvm::SUnit* llvm::SchedBoundary::pickOnlyChoice(): Assertion `i <= (HazardRec->getMaxLookAhead() + MaxObservedStall) && "permanent hazard"'

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20057

Chad Rosier <mcrosier at codeaurora.org> changed:

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

--- Comment #9 from Chad Rosier <mcrosier at codeaurora.org> ---
(In reply to comment #8)
> Another fix in r212088.

This caused assertion failures for the following benchmarks:
ammp -O2 -g
eon -Os
mesa -O2 -g
povray -O2 -g

All configs are for AArch64 with -mcpu=cortex-A53 off community ToT.

I went ahead an reverted the commit in r212109.

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