[llvm-branch-commits] [clang] [clang] Implement pointer authentication for C++ virtual functions, v-tables, and VTTs (PR #94056)

[Anton Korobeynikov via llvm-branch-commits]

================
@@ -219,8 +219,10 @@ CodeGenFunction::GenerateVarArgsThunk(llvm::Function *Fn,
          "Store of this should be in entry block?");
   // Adjust "this", if necessary.
   Builder.SetInsertPoint(&*ThisStore);
-  llvm::Value *AdjustedThisPtr =
-      CGM.getCXXABI().performThisAdjustment(*this, ThisPtr, Thunk.This);
+
+  const CXXRecordDecl *thisValueClass = 
Thunk.ThisType->getPointeeCXXRecordDecl();
+  llvm::Value *AdjustedThisPtr = CGM.getCXXABI().performThisAdjustment(
+      *this, ThisPtr, thisValueClass, Thunk);
----------------
asl wrote:

```suggestion
      *this, ThisPtr, ThisValueClass, Thunk);
```

https://github.com/llvm/llvm-project/pull/94056
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