[llvm] [DebugInfo][RemoveDIs] Support DPValues in HWAsan (PR #78731)

[Florian Mayer via llvm-commits]

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@@ -1532,8 +1539,8 @@ void HWAddressSanitizer::sanitizeFunction(Function &F,
 
   assert(!ShadowBase);
 
-  Instruction *InsertPt = &*F.getEntryBlock().begin();
-  IRBuilder<> EntryIRB(InsertPt);
+  BasicBlock::iterator InsertPt = F.getEntryBlock().begin();
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fmayer wrote:

For my understanding: Can you quickly explain why this (and related changes below) are needed?

https://github.com/llvm/llvm-project/pull/78731