[llvm] [RISCV] Shrink uses of coalesced vsetvlis (PR #98286)

[Philip Reames via llvm-commits]

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@@ -1727,6 +1727,10 @@ void RISCVInsertVSETVLI::coalesceVSETVLIs(MachineBasicBlock &MBB) const {
     if (LIS)
       LIS->RemoveMachineInstrFromMaps(*MI);
     MI->eraseFromParent();
+    if (LIS)
+      for (MachineOperand &MO : MI->uses())
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preames wrote:

Calling MI->uses() after MI->eraseFromParent() is definitely unsafe.  

https://github.com/llvm/llvm-project/pull/98286