[llvm] [DebugInfo][RemoveDIs] Have getInsertionPtAfterDef return an iterator (PR #73149)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -685,8 +699,9 @@ Value *GuardWideningImpl::freezeAndPush(Value *Orig, Instruction *InsertPt) {
 
   Value *Result = Orig;
   for (Value *V : NeedFreeze) {
-    auto *FreezeInsertPt = getFreezeInsertPt(V, DT);
-    FreezeInst *FI = new FreezeInst(V, V->getName() + ".gw.fr", FreezeInsertPt);
+    auto FreezeInsertPt = *getFreezeInsertPt(V, DT);
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OCHyams wrote:

nit: used auto here but BasicBlock::iterator above

https://github.com/llvm/llvm-project/pull/73149