[llvm] [AArch64] Allocate two emergency spill slots for MTE to fix register … (PR #186505)

[Florian Mayer via llvm-commits]

================
@@ -2492,6 +2492,10 @@ void AArch64FrameLowering::determineStackHazardSlot(
   }
 }
 
+namespace {
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fmayer wrote:

Why do we need this? Why don't we just put

```cc
static bool isMergeableSTG(MachineInstr &MI) {
  [...]
}
```

here

https://github.com/llvm/llvm-project/pull/186505