[llvm] [WIP][AMDGPU] frame index elimination hit assertion for scavenged nonreg (PR #130287)

[Matt Arsenault via llvm-commits]

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+; RUN: not --crash llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs 2>&1 %s | FileCheck %s --check-prefix=ASSERTION
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arsenm wrote:

-verify-machineinstrs.

This REQUIRES: asserts and is too specific on the assert message, this will fail depending on the host 

https://github.com/llvm/llvm-project/pull/130287