Merge pull request #9240 from DmT021/wp/print-diagnostic-groups

[lldb] Support for -print-diagnostic-groups

Author: DougGregor

lldb/source/Plugins/TypeSystem/Swift/SwiftASTContext.cpp

@@ -1891,8 +1891,7 @@ void SwiftASTContext::ApplyWorkingDir(
 
 void SwiftASTContext::ApplyDiagnosticOptions() {
   const auto &opts = GetCompilerInvocation().getDiagnosticOptions();
-  if (opts.PrintDiagnosticNames)
-    GetDiagnosticEngine().setPrintDiagnosticNames(true);
+  GetDiagnosticEngine().setPrintDiagnosticNamesMode(opts.PrintDiagnosticNames);
 
   if (!opts.DiagnosticDocumentationPath.empty())
     GetDiagnosticEngine().setDiagnosticDocumentationPath(