push some source location information down through the compiler,
into ContentCache::getBuffer.  This allows it to produce 
diagnostics on the broken #include line instead of without a 
location.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101939 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/RewriteMacros.cpp b/lib/Frontend/RewriteMacros.cpp
index 4ffb297..954e8e2 100644
--- a/lib/Frontend/RewriteMacros.cpp
+++ b/lib/Frontend/RewriteMacros.cpp
@@ -101,8 +101,7 @@
 
 
   // Get the first preprocessing token.
-  if (PP.EnterMainSourceFile())
-    return;
+  PP.EnterMainSourceFile();
   Token PPTok;
   PP.Lex(PPTok);