From 5f607c4b75abeedded11eff079dee73561d98203 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 18 Mar 2009 20:41:10 +0000
Subject: [PATCH] This is not considered a preprocessor directive in .S files:
 # 4

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67233 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Lex/PPDirectives.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Lex/PPDirectives.cpp b/lib/Lex/PPDirectives.cpp
index 5a4d2ee15e..8e76b920aa 100644
--- a/lib/Lex/PPDirectives.cpp
+++ b/lib/Lex/PPDirectives.cpp
@@ -499,6 +499,8 @@ TryAgain:
     goto TryAgain;
 
   case tok::numeric_constant:  // # 7  GNU line marker directive.
+    if (getLangOptions().AsmPreprocessor)
+      break;  // # 4 is not a preprocessor directive in .S files.
     return HandleDigitDirective(Result);
   default:
     IdentifierInfo *II = Result.getIdentifierInfo();
-- 
2.40.0