[clang] [Clang] prevent assertion in __has_embed parameter recovery at end-of-directive (PR #175104)

[Corentin Jabot via cfe-commits]

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@@ -3686,14 +3686,14 @@ Preprocessor::LexEmbedParameters(Token &CurTok, bool ForHasEmbed) {
           std::pair<tok::TokenKind, SourceLocation> Matches) {
         Diag(CurTok, diag::err_expected) << Expected;
         Diag(Matches.second, diag::note_matching) << Matches.first;
-        if (CurTok.isNot(EndTokenKind))
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cor3ntin wrote:

Can't we just call `DiscardUntilEndOfDirective` unconditionally (ie remove the `if` line)?

https://github.com/llvm/llvm-project/pull/175104