[clang-tools-extra] [lldb] [clang] [c++20] P1907R1: Support for generalized non-type template arguments of scalar type. (PR #78041)

[Erich Keane via cfe-commits]

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@@ -551,6 +646,18 @@ static const T &DiagTemplateArg(const T &DB, const TemplateArgument &Arg) {
   case TemplateArgument::Integral:
     return DB << toString(Arg.getAsIntegral(), 10);
 
+  case TemplateArgument::StructuralValue: {
+    // FIXME: We're guessing at LangOptions!
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erichkeane wrote:

This is pretty unfortunate, but it looks like we're doing this in a few places.

https://github.com/llvm/llvm-project/pull/78041