diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 38c842e..fb7d199 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -127,6 +127,8 @@
   if (getLangOptions().CPlusPlus)
     FieldCollector.reset(new CXXFieldCollector());
 
+  NumErrorsAtStartOfFunction = 0;
+  
   // Tell diagnostics how to render things from the AST library.
   PP.getDiagnostics().SetArgToStringFn(&FormatASTNodeDiagnosticArgument, 
                                        &Context);