[Lex] Fix lldb-x86_64-ubuntu-14.04-buildserver build bot broken with r319714 (NFC).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@319716 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Lex/PreprocessorLexer.h b/include/clang/Lex/PreprocessorLexer.h
index 8d5848913ed7435433511d6505d00db901ba6ebd..ff71d11b4511bc648e2ed1a34a44d6221716647f 100644 (file)
--- a/include/clang/Lex/PreprocessorLexer.h
+++ b/include/clang/Lex/PreprocessorLexer.h
@@ -76,7 +76,7 @@ protected:
   /// we are currently in.
   SmallVector<PPConditionalInfo, 4> ConditionalStack;
 
-  PreprocessorLexer() {}
+  PreprocessorLexer() : FID() {}
   PreprocessorLexer(Preprocessor *pp, FileID fid);
   virtual ~PreprocessorLexer() = default;