make sure #pragma clang is treated the same way as #pragma gcc in -E mode,

unknown pragmas should just be passed through to the .i file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118659 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp
index 00ab3c31765afb2b85a5ffab1538cedb4f664ad7..6019b30833864cf72dac91109650a92267840799 100644 (file)
--- a/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -579,8 +579,9 @@ void clang::DoPrintPreprocessedInput(Preprocessor &PP, llvm::raw_ostream *OS,
       new PrintPPOutputPPCallbacks(PP, *OS, !Opts.ShowLineMarkers,
                                    Opts.ShowMacros, Opts.ShowHeaderIncludes);
   PP.AddPragmaHandler(new UnknownPragmaHandler("#pragma", Callbacks));
-  PP.AddPragmaHandler("GCC", new UnknownPragmaHandler("#pragma GCC",
-                                                      Callbacks));
+  PP.AddPragmaHandler("GCC", new UnknownPragmaHandler("#pragma GCC",Callbacks));
+  PP.AddPragmaHandler("clang",
+                      new UnknownPragmaHandler("#pragma clang", Callbacks));
 
   PP.addPPCallbacks(Callbacks);