Move policy on unnamed fields (a Microsoft extension) from Parser::ParseStructDeclaration() to the driver.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46974 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index 8b3c2f9..2f47e51 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -440,6 +440,9 @@
                                diag::MAP_IGNORE);
   if (!WarnUndefMacros)
     Diags.setDiagnosticMapping(diag::warn_pp_undef_identifier,diag::MAP_IGNORE);
+    
+  if (MSExtensions) // MS allows unnamed struct/union fields.
+    Diags.setDiagnosticMapping(diag::w_no_declarators, diag::MAP_IGNORE);
 }
 
 //===----------------------------------------------------------------------===//