[clang] [clang][PAC] Add __builtin_get_vtable_pointer (PR #139790)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- clang/test/CodeGenCXX/builtin-get-vtable-pointer.cpp clang/test/SemaCXX/builtin-get-vtable-pointer.cpp clang/lib/CodeGen/CGBuiltin.cpp clang/lib/Sema/SemaChecking.cpp
``````````

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<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 39c4fc3fb..b3b33bc72 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -1836,20 +1836,18 @@ static ExprResult GetVTablePointer(Sema &S, CallExpr *Call) {
   QualType SubjectType = Subject->getType();
   const CXXRecordDecl *SubjectRecord = SubjectType->getPointeeCXXRecordDecl();
   if (!SubjectType->isPointerType() || !SubjectRecord) {
-    S.Diag(Subject->getBeginLoc(),
-           diag::err_get_vtable_pointer_incorrect_type)
+    S.Diag(Subject->getBeginLoc(), diag::err_get_vtable_pointer_incorrect_type)
         << 0 << SubjectType;
     return ExprError();
   }
   if (S.RequireCompleteType(
-    Subject->getBeginLoc(), SubjectType->getPointeeType(),
+          Subject->getBeginLoc(), SubjectType->getPointeeType(),
           diag::err_get_vtable_pointer_requires_complete_type)) {
     return ExprError();
   }
 
   if (!SubjectRecord->isPolymorphic()) {
-    S.Diag(Subject->getBeginLoc(),
-           diag::err_get_vtable_pointer_incorrect_type)
+    S.Diag(Subject->getBeginLoc(), diag::err_get_vtable_pointer_incorrect_type)
         << 1 << SubjectRecord;
     return ExprError();
   }

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https://github.com/llvm/llvm-project/pull/139790