Const'ify Preprocessor::getPredefinesFileID.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174218 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 36027157e3f912aa0e41793ab1817d21a382a25c..df243f97d814f5df4fdeb764013c0dfe1928d824 100644 (file)
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -507,7 +507,7 @@ public:
   PreprocessorLexer *getCurrentFileLexer() const;
 
   /// \brief Returns the file ID for the preprocessor predefines.
-  FileID getPredefinesFileID() { return PredefinesFileID; }
+  FileID getPredefinesFileID() const { return PredefinesFileID; }
 
   /// getPPCallbacks/addPPCallbacks - Accessors for preprocessor callbacks.
   /// Note that this class takes ownership of any PPCallbacks object given to