[clang] [clang] fix classification of a string literal expression used as initializer (PR #101447)

[Eli Friedman via cfe-commits]

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@@ -150,6 +148,12 @@ static Cl::Kinds ClassifyInternal(ASTContext &Ctx, const Expr *E) {
   case Expr::OMPIteratorExprClass:
     return Cl::CL_LValue;
 
+    // C++ [expr.prim.general]p1: A string literal is an lvalue.
+    // Except we special case them as prvalues when they are used for
+    // initialization.
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efriedma-quic wrote:

Maybe say more specifically "to initialize a char array".

https://github.com/llvm/llvm-project/pull/101447