[clang] [clang] fix constexpr-unknown handling of self-references. (PR #132990)

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git-clang-format --diff cc86d7cb191a64489e837c68f299abb930f5c6cb f5195b8d3d7ac00e8a0a54c10be485d69a576ba5 --extensions cpp -- clang/lib/AST/ExprConstant.cpp clang/test/SemaCXX/constant-expression-p2280r4.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 71c8b9a1a5..5c64f05104 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -8944,7 +8944,6 @@ bool LValueExprEvaluator::VisitDeclRefExpr(const DeclRefExpr *E) {
   return Error(E);
 }
 
-
 bool LValueExprEvaluator::VisitVarDecl(const Expr *E, const VarDecl *VD) {
   // If we are within a lambda's call operator, check whether the 'VD' referred
   // to within 'E' actually represents a lambda-capture that maps to a

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https://github.com/llvm/llvm-project/pull/132990