================
@@ -1938,12 +1946,23 @@ void
MicrosoftCXXNameMangler::mangleTemplateArgValue(QualType T,
mangleNumber(V.getLValueOffset().getQuantity());
} else if (!V.hasLValuePath()) {
// FIXME: This can only happen as an extension. Invent a mangling.
- break;
+ DiagnosticsEngine &Diags = Context.getDiags();
+ unsigned DiagID =
+ Diags.getCustomDiagID(DiagnosticsEngine::Error,
+ "cannot mangle this template argument yet "
+ "(non-null base with null lvalue path)");
----------------
memory-thrasher wrote:
I just want something to differentiate the 5 otherwise identical errors to save
some future user that step when reporting or fixing one of them. I'm open for
suggests on phrasing, anything other than going back to the same message in all
5 cases.
https://github.com/llvm/llvm-project/pull/97792
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