Temporarily unconditionally emit used / compiler.used array elements as unqualified pointers

Workaround an ASAN issue; exposed by
llvm#88182

Change-Id: Ic41f7b0271ae52d70dafc0839146a24b0fa700fb

Author: searlmc1

clang/lib/CodeGen/CodeGenModule.cpp

@@ -2944,14 +2944,15 @@ static void emitUsed(CodeGenModule &CGM, StringRef Name,
   SmallVector<llvm::Constant*, 8> UsedArray;
   UsedArray.resize(List.size());
   for (unsigned i = 0, e = List.size(); i != e; ++i) {
-    UsedArray[i] =
-        llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(
-            cast<llvm::Constant>(&*List[i]), CGM.Int8PtrTy);
+    UsedArray[i] = llvm::ConstantExpr::getPointerBitCastOrAddrSpaceCast(
+        cast<llvm::Constant>(&*List[i]),
+        llvm::PointerType::getUnqual(CGM.getLLVMContext()));
   }
 
   if (UsedArray.empty())
     return;
-  llvm::ArrayType *ATy = llvm::ArrayType::get(CGM.Int8PtrTy, UsedArray.size());
+  llvm::ArrayType *ATy = llvm::ArrayType::get(
+      llvm::PointerType::getUnqual(CGM.getLLVMContext()), UsedArray.size());
 
   auto *GV = new llvm::GlobalVariable(
       CGM.getModule(), ATy, false, llvm::GlobalValue::AppendingLinkage,