[llvm] [GlobalIsel][AArch64] fix out of range access in regbankselect (PR #92072)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,21 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
+; RUN: llc -mtriple=aarch64 -O0 -global-isel -global-isel-abort=2 -verify-machineinstrs %s -o - 2>&1 | FileCheck %s
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arsenm wrote:

```suggestion
; RUN: llc -mtriple=aarch64 -O0 -global-isel %s -o - 2>&1 | FileCheck %s
```

Do you really need the -O0? 

https://github.com/llvm/llvm-project/pull/92072