From 0259d20ba1a188acb8770f4b5fab9fc947080be1 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 1 Dec 2009 18:28:16 +0000
Subject: [PATCH] Exit the command line into <built-in> instead of going
 directly from the command line to the input file.

We passed <built-in> on the way in, so we should pass it again on the way out.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90250 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Frontend/InitPreprocessor.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Frontend/InitPreprocessor.cpp b/lib/Frontend/InitPreprocessor.cpp
index 972c21f88d..cf6c561361 100644
--- a/lib/Frontend/InitPreprocessor.cpp
+++ b/lib/Frontend/InitPreprocessor.cpp
@@ -523,6 +523,11 @@ void clang::InitializePreprocessor(Preprocessor &PP,
       AddImplicitInclude(PredefineBuffer, Path);
   }
 
+  // Exit the command line and go back to <built-in> (2 is LC_LEAVE).
+  LineDirective = "# 1 \"<built-in>\" 2\n";
+  PredefineBuffer.insert(PredefineBuffer.end(),
+                         LineDirective, LineDirective+strlen(LineDirective));
+
   // Null terminate PredefinedBuffer and add it.
   PredefineBuffer.push_back(0);
   PP.setPredefines(&PredefineBuffer[0]);
-- 
2.40.0