1 files changed, 3 insertions, 0 deletions
diff --git a/tools/libclang/Indexing.cpp b/tools/libclang/Indexing.cpp
index aad6e02fe9..85b638530f 100644
--- a/tools/libclang/Indexing.cpp
+++ b/tools/libclang/Indexing.cpp
@@ -346,6 +346,9 @@ static void clang_indexSourceFile_Impl(void *UserData) {
   if (!requestedToGetTU)
     CInvok->getPreprocessorOpts().DetailedRecord = false;
 
+  if (index_options & CXIndexOpt_SuppressWarnings)
+    CInvok->getDiagnosticOpts().IgnoreWarnings = true;
+
   ASTUnit *Unit = ASTUnit::create(CInvok.getPtr(), Diags,
                                   /*CaptureDiagnostics=*/true);
   OwningPtr<CXTUOwner> CXTU(new CXTUOwner(MakeCXTranslationUnit(Unit)));