r178616 - Use getPredefinesFileID() appropriately.

[Douglas Gregor]

Author: dgregor
Date: Tue Apr  2 22:16:36 2013
New Revision: 178616

URL: http://llvm.org/viewvc/llvm-project?rev=178616&view=rev
Log:
Use getPredefinesFileID() appropriately.

Thanks to Argyrios for the pointer.

Modified:
    cfe/trunk/lib/Frontend/CompilerInstance.cpp

Modified: cfe/trunk/lib/Frontend/CompilerInstance.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInstance.cpp?rev=178616&r1=178615&r2=178616&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/CompilerInstance.cpp (original)
+++ cfe/trunk/lib/Frontend/CompilerInstance.cpp Tue Apr  2 22:16:36 2013
@@ -936,7 +936,7 @@ static void checkConfigMacro(Preprocesso
         continue;
 
       // We only care about the predefines buffer.
-      if (!StringRef(Buffer->getBufferIdentifier()).equals("<built-in>"))
+      if (FID != PP.getPredefinesFileID())
         continue;
 
       // This macro was defined on the command line, then #undef'd later.
@@ -969,7 +969,7 @@ static void checkConfigMacro(Preprocesso
       continue;
 
     // We only care about the predefines buffer.
-    if (!StringRef(Buffer->getBufferIdentifier()).equals("<built-in>"))
+    if (FID != PP.getPredefinesFileID())
       continue;
 
     PredefinedDef = Def;