[clang] [clang] use getDeclName in static assert failed boolean condition printer (PR #203736)

[Erich Keane via cfe-commits]

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@@ -3647,7 +3647,7 @@ class FailedBooleanConditionPrinterHelper : public PrinterHelper {
       DR->getQualifier().print(OS, Policy, true);
       // Then print the decl itself.
       const ValueDecl *VD = DR->getDecl();
-      OS << VD->getName();
+      OS << VD->getDeclName();
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erichkeane wrote:

According to the `getDeclName` diagnostics:

```
Note that generally in diagnostics, the non-null NamedDecl* itself should be sent into the diagnostic instead of using the result of getDeclName()
```

https://github.com/llvm/llvm-project/pull/203736