From: Chris Lattner <sabre@nondot.org>
Date: Sat, 12 Apr 2008 05:54:25 +0000 (+0000)
Subject: don't diagnose empty source files, thanks Neil!
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b25e5d79d9d1967df058a242e96a62d0d0ace074;p=clang

don't diagnose empty source files, thanks Neil!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49575 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index e3daf31267..0768e3b474 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -1141,8 +1141,9 @@ bool Lexer::LexEndOfFile(Token &Result, const char *CurPtr) {
     ConditionalStack.pop_back();
   }
   
-  // If the file was empty or didn't end in a newline, issue a pedwarn.
-  if (CurPtr == BufferStart || (CurPtr[-1] != '\n' && CurPtr[-1] != '\r'))
+  // C99 5.1.1.2p2: If the file is non-empty and didn't end in a newline, issue
+  // a pedwarn.
+  if (CurPtr != BufferStart && (CurPtr[-1] != '\n' && CurPtr[-1] != '\r'))
     Diag(BufferEnd, diag::ext_no_newline_eof);
   
   BufferPtr = CurPtr;