================
@@ -52,6 +52,28 @@ static void optimizeHeaderSearchOpts(HeaderSearchOptions
&Opts,
Opts.UserEntries.push_back(Entries[Idx]);
}
+static void optimizeDiagnosticOpts(DiagnosticOptions &Opts,
+ bool IsSystemModule) {
+ // If this is not a system module or -Wsystem-headers was passed, don't
+ // optimize.
+ if (!IsSystemModule)
+ return;
+ bool Wsystem_headers = false;
+ for (StringRef Opt : Opts.Warnings) {
+ bool isPositive = !Opt.consume_front("no-");
+ if (Opt == "system-headers")
+ Wsystem_headers = isPositive;
+ }
+ if (Wsystem_headers)
+ return;
----------------
Bigcheese wrote:
I don't really see a good way to reuse that, it's doing a bunch of other work
on the `DiagnosticsEngine`, and the loop itself wants to process `no-` once and
then check a bunch of different warning flags.
https://github.com/llvm/llvm-project/pull/71612
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