1 files changed, 13 insertions, 5 deletions
diff --git a/lib/Frontend/Warnings.cpp b/lib/Frontend/Warnings.cpp
index f789b7f..b7547b9 100644
--- a/lib/Frontend/Warnings.cpp
+++ b/lib/Frontend/Warnings.cpp
@@ -22,13 +22,13 @@
 //
 #include "clang/Frontend/Utils.h"
 #include "clang/Basic/Diagnostic.h"
-#include "clang/Sema/SemaDiagnostic.h"
-#include "clang/Lex/LexDiagnostic.h"
 #include "clang/Basic/DiagnosticOptions.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
+#include "clang/Lex/LexDiagnostic.h"
+#include "clang/Sema/SemaDiagnostic.h"
+#include <algorithm>
 #include <cstring>
 #include <utility>
-#include <algorithm>
 using namespace clang;
 
 // EmitUnknownDiagWarning - Emit a warning and typo hint for unknown warning
@@ -48,13 +48,15 @@ static void EmitUnknownDiagWarning(DiagnosticsEngine &Diags,
 }
 
 void clang::ProcessWarningOptions(DiagnosticsEngine &Diags,
-                                  const DiagnosticOptions &Opts) {
+                                  const DiagnosticOptions &Opts,
+                                  bool ReportDiags) {
   Diags.setSuppressSystemWarnings(true);  // Default to -Wno-system-headers
   Diags.setIgnoreAllWarnings(Opts.IgnoreWarnings);
   Diags.setShowOverloads(Opts.getShowOverloads());
 
   Diags.setElideType(Opts.ElideType);
   Diags.setPrintTemplateTree(Opts.ShowTemplateTree);
+  Diags.setWarnOnSpellCheck(Opts.WarnOnSpellCheck);
   Diags.setShowColors(Opts.ShowColors);
  
   // Handle -ferror-limit
@@ -75,7 +77,7 @@ void clang::ProcessWarningOptions(DiagnosticsEngine &Diags,
   else
     Diags.setExtensionHandlingBehavior(DiagnosticsEngine::Ext_Ignore);
 
-  llvm::SmallVector<diag::kind, 10> _Diags;
+  SmallVector<diag::kind, 10> _Diags;
   const IntrusiveRefCntPtr< DiagnosticIDs > DiagIDs =
     Diags.getDiagnosticIDs();
   // We parse the warning options twice.  The first pass sets diagnostic state,
@@ -84,6 +86,12 @@ void clang::ProcessWarningOptions(DiagnosticsEngine &Diags,
   // conflicting options.
   for (unsigned Report = 0, ReportEnd = 2; Report != ReportEnd; ++Report) {
     bool SetDiagnostic = (Report == 0);
+
+    // If we've set the diagnostic state and are not reporting diagnostics then
+    // we're done.
+    if (!SetDiagnostic && !ReportDiags)
+      break;
+
     for (unsigned i = 0, e = Opts.Warnings.size(); i != e; ++i) {
       StringRef Opt = Opts.Warnings[i];
       StringRef OrigOpt = Opts.Warnings[i];