[llvm] [RISCV] Set DebugLoc of epilogue (PR #74702)

[Wang Pengcheng via llvm-commits]

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@@ -681,6 +681,10 @@ void RISCVInstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
                                           const TargetRegisterClass *RC,
                                           const TargetRegisterInfo *TRI,
                                           Register VReg) const {
+  DebugLoc DL;
+  if (I != MBB.end())
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wangpc-pp wrote:

Thanks! I use `MachineBasicBlock::findDebugLoc` now.

https://github.com/llvm/llvm-project/pull/74702