[dcl.init.ref] Fix misapplication of CWG2879 (#8147)

Author: SainoNamkho

source/declarations.tex

@@ -6296,8 +6296,8 @@
 }
 constexpr int z = f();              // error: not a constant expression
 
-typedef int *A[3];                  // array of 3 pointer to \tcode{int}
-typedef const int *const CA[3];     // array of 3 const pointer to \tcode{const int}
+typedef int *AP[3];                 // array of 3 pointer to \tcode{int}
+typedef const int *const ACPC[3];   // array of 3 const pointer to \tcode{const int}
 ACPC &&r = AP{};                    // binds directly
 \end{codeblock}
 \end{example}