[clang] [Frontend][PCH]-Add support for ignoring PCH options (-ignore-pch). (PR #142409)

[Matheus Izvekov via cfe-commits]

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@@ -2982,6 +2982,7 @@ static bool ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
 #undef FRONTEND_OPTION_WITH_MARSHALLING
 
   Opts.ProgramAction = frontend::ParseSyntaxOnly;
+
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mizvekov wrote:

Unrelated change.

https://github.com/llvm/llvm-project/pull/142409