- Default initialize ParsingPreprocessorDirective, ParsingFilename, and
  LexingRawMode in the ctor of PreprocessorLexer.

- PTHLexer: Use "LastToken" instead of "NumToken"


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59690 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PreprocessorLexer.cpp b/lib/Lex/PreprocessorLexer.cpp
index 2ce181e..1916f29 100644
--- a/lib/Lex/PreprocessorLexer.cpp
+++ b/lib/Lex/PreprocessorLexer.cpp
@@ -19,7 +19,10 @@
 using namespace clang;
 
 PreprocessorLexer::PreprocessorLexer(Preprocessor* pp, SourceLocation L)
-  :  PP(pp), FileID(pp->getSourceManager().getPhysicalLoc(L).getFileID()) {}
+  :  PP(pp), FileID(pp->getSourceManager().getPhysicalLoc(L).getFileID()),
+     ParsingPreprocessorDirective(false),
+     ParsingFilename(false),
+     LexingRawMode(false) {}
 
 PreprocessorLexer::~PreprocessorLexer() {}