From: Chris Lattner <sabre@nondot.org>
Date: Sun, 19 Apr 2009 07:25:40 +0000 (+0000)
Subject: make PTH not crash on a null directive (# on its own line)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2135619d9302224d26292906d286d6bdaa9ab0f2;p=clang

make PTH not crash on a null directive (# on its own line)


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69523 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/clang-cc/CacheTokens.cpp b/tools/clang-cc/CacheTokens.cpp
index 6e2a20d987..c417eb4902 100644
--- a/tools/clang-cc/CacheTokens.cpp
+++ b/tools/clang-cc/CacheTokens.cpp
@@ -475,8 +475,10 @@ PTHEntry PTHWriter::LexTokens(Lexer& L) {
 
       // Get the next token.
       L.LexFromRawLexer(Tok);
-            
-      assert(!Tok.isAtStartOfLine());
+
+      // If we see the start of line, then we had a null directive "#".
+      if (Tok.isAtStartOfLine())
+        goto NextToken;
       
       // Did we see 'include'/'import'/'include_next'?
       if (Tok.isNot(tok::identifier)) {