In PTHLexer::DiscardToEndOfLine() use Lex() instead of AdvanceToken(). This handles transitions in the preprocessor state.

llvm-svn: 59845

1 files changed, 2 insertions, 1 deletions

diff --git a/clang/lib/Lex/PTHLexer.cpp b/clang/lib/Lex/PTHLexer.cpp
index 5c6341f57dc..21fb9831a4e 100644
--- a/clang/lib/Lex/PTHLexer.cpp
+++ b/clang/lib/Lex/PTHLexer.cpp
@@ -116,7 +116,8 @@ void PTHLexer::DiscardToEndOfLine() {
     return;
 
   // Find the first token that is not the start of the *current* line.
-  for (AdvanceToken(); !AtLastToken(); AdvanceToken())
+  Token T;
+  for (Lex(T); !AtLastToken(); Lex(T))
     if (GetToken().isAtStartOfLine())
       return;
 }